Special parallelograms worksheet pdf

Find the measurement indicated in each parallelogram. 19) Find RQ 3x + 3 −1 + 4x S Q R P 15 20) Find m∠G G F E D 5x − 9 3x + 11 41 ° 21) TE = 4 + 2x EV = 4x − 4 Find TE S U T V E 12 22) Find m∠TSR U S T R 2x − 7 2x + 14 125 ° 55 °-2-Create your own worksheets like this one with Infinite Geometry. Free trial available at ...

Special parallelograms worksheet pdf. GHJK is a parallelogram If a parallelogram is a rectangle, then its If a quadrilateral is a rectangle, then it is a _____. ̅̅̅≅ ̅̅̅̅ diagonals are _____. Since a rectangle is a parallelogram, a rectangle also has all the properties of parallelograms. A _____ is a quadrilateral with four congruent sides.

Showing top 8 worksheets in the category - Special Parallelograms. Some of the worksheets displayed are Polygons quadrilaterals and special parallelograms, 6 properties of parallelograms, Practice with parallelograms, Properties of special parallelograms, Honors packet on polygons quadrilaterals and special, Quadrilateral …

Setting goals is an essential step towards achieving your dreams and aspirations. However, without proper planning and organization, goals can often remain mere wishes. Setting goa...Quadrilaterals - Properties of Parallelograms Riddle Worksheet This is a 15 question worksheet that asks students to apply the properties of parallelograms to solve problems. Students are asked to solve problems about the angles, sides and diagonals of Parallelograms . Students set-up a problem that applies a property of a specific ...Properties of parallelograms worksheets for Grade 9 are essential resources for teachers looking to enhance their students' understanding of geometry concepts in Math. These worksheets provide a variety of exercises and problems that challenge students to apply their knowledge of parallelograms, including their angles, sides, and diagonals. ...Explore printable properties of parallelograms worksheets. Properties of parallelograms worksheets are essential tools for teachers who aim to provide their students with a comprehensive understanding of Math and Geometry. These worksheets cover various aspects of parallelograms, such as calculating angles, side lengths, and areas, as well …1 PARALLELOGRAM PROVING THEOREMS ON THE DIFFERENT KINDS OF (Rectangle) In the previous module, you learned to use the properties of parallelogram to find the measures of angles, sides and other quantities that are conceptually related to the real world. In the next lessons, you will prove2. Area of a Rhombus The formula for the area of a rhombus can be justified using the area of a triangle. A specific case is given below. The diagonals divide a rhombus into four congruent right triangles. So, the area of the rhombus is 4 …Rhombus Proofs: 6. Prove that a rhombus is a parallelogram. Given: Rhombus Prove: ∥ and Statement Reason 1. Rhombus 1.

Notes 6-2: Properties of Parallelograms Objectives: 1. Prove and apply properties of parallelograms. 2. Use properties of parallelograms to solve problems. A parallelogram is a quadrilateral with _____ pairs of _____ sides. All parallelograms, such as FGHJ, have the following properties. Properties of ParallelogramsWith this worksheet generator, you can make worksheets for classifying (identifying, naming) quadrilaterals, in PDF or html formats. There are seven special types of quadrilaterals: square, rectangle, rhombus, parallelogram, trapezoid, kite, scalene, and these worksheets ask students to name the quadrilaterals among these seven types.Answers for worksheet on parallelogram are given below so that students can check the answers after solving the questions on parallelogram to make sure that the answer is correct. Answers: 1. ∠B = 70°, ∠C = 110°, ∠D =70°. 2. 90°. 3. 80°, 100°, 80°, 100°. 4. x = 28, 80°, 100°, 80°, 100°. 5. 65°, 115°, 65°, 115°.GCSE Revision Cards. 5-a-day Workbooks. Primary Study Cards Opposite sides of a parallelogram are equal in length AAS Corresponding sides of congruent triangles are equal in length Now we have established why the properties of parallelograms we have assumed to be true are in fact true. By extension, these facts hold for any type of parallelogram, including rectangles, squares, and rhombuses. Let us look at For Exercises 13—16, determine whether the parallelogram is a rhombus, a rectangle, or a square. Give the most precise description in each case. 13. A parallelogram has perpendicular diagonals and angle measures of 45, 135, 45, and 135. 14. A parallelogram has perpendicular and congruent diagonals. 15.Level up with this batch of worksheets offering problems in word format and as geometrical shapes. Plug in the values of the base and side, given as integers ≥ 10 in the formula P = 2 (l + b) to solve for the perimeter. Multiply the sum of the side 'a' and base 'b' by 2, to compute the perimeter of the parallelograms featured in this array of ...1) Yes SAMPLE EXPLANATION: If 2 sides of a quadrilateral are parallel and congruent, the quadrilateral is a parallelogram. 2) No SAMPLE EXPLANATION: The opposite sides must be congruent. 3) No SAMPLE EXPLANATION: Without more information, it could be a trapezoid. 4) Yes SAMPLE EXPLANATION: If the diagonals of a quadrilateral bisect …

a. A parallelogram that is neither a rectangle or a rhombus. b. A parallelogram with a pair of consecutive congruent sides and a pair of acute angles. c. A parallelogram with a right angle. Prove that if a parallelogram is a rhombus, then its diagonals are angle bisectors of a pair of opposite angles. Worksheet: 8.03 Special parallelograms ...Jan 25, 2023 · Parallelogram Worksheets. A parallelogram is a quadrilateral shape with four sides, two parallel sides, and opposing angles. Kids learn about parallelograms from grade school to high school. At each stage, the difficulty level increases, and they need extra help and practice tests to help them understand a parallelogram and how it works. Properties of Parallelograms Date_____ Period____ Find the measurement indicated in each parallelogram. 1) S T R Q 135 °? 135 ° 2) C D E F 70 °? 110 ° 3) V U W X? 80 ° 100 ° 4) K J L M 98 °? 98 ° 5) 23? S R P Q 23 6) 12.6? C E D F 12.6 7) RT = 19.8 Find RP S R Q P T 39.6 8) V X W Y 60 ° 52 °? 68 ° 9) KM = 23.4 Find YM J K M L Y 11.7 ...Phonological awareness is a crucial skill that lays the foundation for successful reading and writing. One effective way to develop phonological awareness in children is through th...Rectangles, squares and rhombuses are all parallelograms, so any object that has one of these shapes is a parallelogram. Download Parallelogram Properties Worksheet PDFs. …

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Geometry - Polygons Worksheet Bundle. This bundle of worksheets includes plenty of content and practice including the sum of the interior and exterior angles of a convex polygon, quadrilaterals, parallelograms, rectangles, rhombi, squares, trapezoids, isosceles trapezoids, and kites. 9. Products. $15.30 $17.00 Save $1.70. View Bundle. Description.Y. 1 Worksheet by Kuta Software LLC Find the measurement indicated in each parallelogram. 9) ... PACKET 5.2: PROPERTIES OF PARALLELOGRAMS" Complete the following proof of the theorem: ”If a quadrilateral is a …GHJK is a parallelogram If a parallelogram is a rectangle, then its If a quadrilateral is a rectangle, then it is a _____. ̅̅̅≅ ̅̅̅̅ diagonals are _____. Since a rectangle is a parallelogram, a rectangle also has all the properties of parallelograms. A _____ is a quadrilateral with four congruent sides.Rhombus Proofs: 6. Prove that a rhombus is a parallelogram. Given: Rhombus Prove: ∥ and Statement Reason 1. Rhombus 1.parallelogram What I Know Directions: Read and answer each of the following questions below. Write the letter of the best answer to each question. Answer directly here in the module. 1. Which of the following statements describes that a quadrilateral is a square? a. One which is equiangular. b. One whose diagonals are congruent. c.Properties of Special Parallelograms continued. 6-4. A square is a quadrilateral with four right angles and four congruent sides. A square is a parallelogram ...

For this, we must use the converses of our “precious” theorems: Theorem: If a quadrilateral is a parallelogram, then its opposite sides are congruent. If a quadrilateral is a parallelogram, then its diagonals bisect each other. If a quadrilateral is a parallelogram, then its opposite angles are congruent. Converse: Special Parallelograms Name_____ Worksheet For 1-8, complete the following charts by putting checks in the boxes that are true. 4 Sides Opp. Sides || Opp. Sides All Sides Opp. Angles All Angles 1. Parallelogram 2. Rectangle 3. Rhombus 4. Square The diagonals ….50 properties of parallelograms worksheetWorksheet parallelograms geometry practice rectangles worksheets unit answers proving properties angles quadrilaterals students will skill practices theorem pythagorean diagonal choose Area triangles parallelograms worksheet challenge parallelogram pdf maths middle school …Level up with this batch of worksheets offering problems in word format and as geometrical shapes. Plug in the values of the base and side, given as integers ≥ 10 in the formula P = 2 (l + b) to solve for the perimeter. Multiply the sum of the side 'a' and base 'b' by 2, to compute the perimeter of the parallelograms featured in this array of ...Look no further! Our free printable area of parallelograms worksheets are available in both customary and metric units. Explore this compilation and learn how to find the area of a parallelogram by substituting the values of the base and height in the formula A = base * height. These pdf worksheets are most recommended for students in grade 5 ...Geometry Special Parallelograms – Rectangles, Rhombuses, Squares. ame: Date: . Complete the chart by places check marks in the appropriate places. For each parallelogram, a) choose the best name then b) find the measures of the numbered angles. 11) 12) . 55 ̊ . 4 . 3. 23 ̊ . 4 2. 3 . 1 . 13) 14) . 30 ̊ . 3 . 60 ̊ . 4 .Quadrilaterals - Properties of Parallelograms Riddle Worksheet This is a 15 question worksheet that asks students to apply the properties of parallelograms to solve problems. Students are asked to solve problems about the angles, sides and diagonals of Parallelograms.Students set-up a problem that applies a property of a specific …WORKSHEET: Speclol Parallelograms PERIOD: DATE: Special Parallelograms A Rhombus is a parallelogram with... A Rectangle is a parallelogram with... ¯ A Square is a parallelogram with... Use the Venn Diagram below to answer the questions that follow. Parallelograms TRUE or FALSE. 1) __ All rectangles are squares. 2) __ 3) __ All squares are ...

6.3 – Proving Quadrilaterals Are parallelograms Objectives: Prove that a quadrilateral is a parallelogram Identify and verify parallelograms Conditions for Parallelograms If both pairs of opposite sides of a quadrilateral are parallel, then the quadrilateral is …

Geometry - Polygons Worksheet Bundle. This bundle of worksheets includes plenty of content and practice including the sum of the interior and exterior angles of a convex polygon, quadrilaterals, parallelograms, rectangles, rhombi, squares, trapezoids, isosceles trapezoids, and kites. 9. Products. $15.30 $17.00 Save $1.70. View Bundle. Description.372 Chapter 7 Quadrilaterals and Other Polygons 7.2 Lesson WWhat You Will Learnhat You Will Learn Use properties to fi nd side lengths and angles of parallelograms. Use parallelograms in the coordinate plane.6-5: Properties of Special Parallelograms Date: Objective: I can use the properties of rhombuses, rectangles, and squares to solve problems. Do "Explore and Reason" and Habits of Mind in your student companio page 1 3. EXPLORE & REASON Consider these three figures. Figure 1 Fl ure2 0 X mosikzs Figure 3 A.Special parallelograms worksheet pdf – thekidsworksheet Math area worksheet worksheets parallelogram printable mathinenglish grade Conditions for parallelograms worksheet — db-excel.com. Geometry parallelograms problems worksheet pdf worksheets properties theorems contains require application.Area of Parallelograms | Integers - Type 1. The measure of the base and height are expressed as integers ≤ 20 in level 1 and ≥ 10 in level 2; plug these values into the formula, Area = base * height, to solve for the area of parallelograms in this set of printable worksheets for 5th grade and 6th grade children. Level 1.Objective: Today we will use properties of special parallelograms, properties of the diagonals of special parallelograms, & we will use coordinate geometry to identify special types of parallelograms.Jan 2, 2013 ... Practice 6.4 - Download as a PDF or view online ... Special Parallelograms For each parallelogram, ... 7.6 systems of inequalities worksheet ... 1 PARALLELOGRAM PROVING THEOREMS ON THE DIFFERENT KINDS OF (Rectangle) In the previous module, you learned to use the properties of parallelogram to find the measures of angles, sides and other quantities that are conceptually related to the real world. In the next lessons, you will prove

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Explore printable properties of parallelograms worksheets. Properties of parallelograms worksheets are essential tools for teachers who aim to provide their students with a comprehensive understanding of Math and Geometry. These worksheets cover various aspects of parallelograms, such as calculating angles, side lengths, and areas, as well as ... Section 7.4 Properties of Special Parallelograms 389 The Venn diagram below illustrates some important relationships among parallelograms, rhombuses, rectangles, and …Properties of Parallelograms PROPERTIES OF PARALLELOGRAMS In this lesson and in the rest of the chapter you will study special quadrilaterals. A is a quadrilateral with both pairs of opposite sides parallel. When you mark diagrams of quadrilaterals, use matching arrowheads to indicate which sides are parallel. For example, in the diagramWorksheet area perimeter worksheets triangle parallelogram pdf parallelograms triangles two calculate shapes special dimensional trapezoids contains requiring problems basic studentsWork out area of parallelogram Geometry parallelogram worksheet answers 2nd grade math — db-excel.comArea of parallelograms …Properties of Parallelograms Worksheets. This Quadrilaterals and Polygons Worksheets will produce twelve problems for finding the interior angles and lengths of sides for different parallelograms. You may select between whole and decimal numbers, as well as whether the properties will have algebraic expressions to solve.Central Bucks School District / Homepage4. 2x - 2. Proving that Quadrilateral is a parallelogram. As seen in the flow chart below, a rectangle, a rhombus, and a square are all parallelograms. Hence all “RULES” of parallelograms (listed below) are true for rectangles, rhombi, squares. Quadrilateral. No special properties. 2 pairs of parallel sides. >.These worksheets should be practiced regularly and are free to download in PDF formats. Parallelogram Properties Worksheet - 1. Download PDF. Parallelogram Properties Worksheet - 2. Download PDF. Parallelogram Properties Worksheet - 3. Download PDF. Parallelogram Properties Worksheet - 4. Download PDF.Determine the lengths of the sides. Parallelogram 82569. In a parallelogram, we know the length of one side. Calculate the length of the other side: o = 15cm; a = 3 cm. Parallelogram. Calculate the area and perimeter of a parallelogram whose two sides are long a=24 cm b=22 cm and height h a = 6 cm long. A perimeter. ….

Properties Of Parallelograms Worksheets. When kids start learning geometry, they encounter different shapes, including parallelograms. A parallelogram is a quadrilateral with equal and parallel sides on opposite sides. The lengths and the angles of a parallelogram are equal. Kids need the properties of a parallelogram worksheet; it will …Feb 2, 2024 ... LAS_Math9_Q3_Wk1_Quadrilaterals.pdf ; 1 Lesson LEARNING ACTIVITY SHEETS ; 3 There are important properties of parallelograms to know. 1. In a ...Know and prove the properties of parallelograms Apply the properties of parallelograms to find side lengths, segment lengths, and angle measures Parallelograms A parallelogram is a quadrilateral with both pairs of opposite sides parallel. ∥ & ∥ Proving the Properties of Parallelograms Printable PDF, Google Slides & Easel by TPT Versions are included in this distance learning ready activity which consists of 11 area of Parallelograms & Triangles problems. It is a self-checking worksheet that allows students to strengthen their skills at solving for area in parallelograms and triangles.This maze is intended for use in a High ... If two adjacent angles of a parallelogram are (5p − 10)° and (p + 10)°, then find both the angles. a) 135° and 45°. b) 125° and 55°. c) 140° and 40°. d) 145° and 35°. 12. Two adjacent angles of a parallelogram are as 2 : 3. Find the measure of all the angles. a) …Properties of Special Parallelograms Match each figure with the letter of one of the vocabulary terms. Use each term once. 1. 2. 3. B C A Fill in the blanks to complete each theorem. 4. If a parallelogram is a rhombus, then its diagonals are perpendicular. 5. If a parallelogram is a rectangle, then its diagonals are congruent. 6.Microsoft Word - Worksheet 8.3 Prep 2010.DOC. Draw a picture of each quadrilateral, to determine if it is a parallelogram by one of the following reasons. Be able to explain your selection. Opposite sides congruent. Opposite angles congruent. Diagonals bisect each other.The formula for the area of a parallelogram is A=bh, where b is the length of the base and h is the height. 6. Record your answer in the worksheet. 7. Calculate the perimeter of the parallelogram. The formula for the perimeter of a parallelogram is P=2 (a+b), where a and b are the lengths of the two parallel sides. 8. For Exercises 13—16, determine whether the parallelogram is a rhombus, a rectangle, or a square. Give the most precise description in each case. 13. A parallelogram has perpendicular diagonals and angle measures of 45, 135, 45, and 135. 14. A parallelogram has perpendicular and congruent diagonals. 15. Special parallelograms worksheet pdf, The number of lines of symmetry of a parallelogram depends on the type of parallelogram. A non-special parallelogram does not have any lines of symmetry. This includes any quadrila..., Jul 20, 2023 · Parallelograms special worksheet pdf circuit angles area finding properties parallelogram rectanglesWorksheets quadrilateral perimeter area worksheet grade pdf quadrilaterals math parallelograms 4th rhombus kite trapezoid standard 3rd find square mathworksheets4kids geometry Parallelograms worksheet special pdf worksheets geometry math ... , 3) Opposite angles are congruent. 4) A diagonal forms two congruent angles. 5) Diagonals bisect each other. 6) Diagonals are congruent. 7) Diagonals are perpendicular. 8) A diagonal bisects two angles. 9) All angles are right angles. 10) All sides are congruent. For each parallelogram, a) choose the best name then b) find the measures of the ..., Grade 7 Geometry Worksheet. cuemath THE MATH EXPERT Get better at Math. Get better at everything, Come experience the Cuemath methodology and ensure your child stags ahead at math this summer. Personalized Attention Adaptive Platform Interactive Visual Simulations For Grades 1 - 10, (a) 75° (b) 85° (c) 95° (d) 70°. Page 2. 5. Two adjacent sides AB and BC of a parallelogram ABCD are in the ratio. 5 : 3. If the perimeter is 200 cm, what is ..., 372 Chapter 7 Quadrilaterals and Other Polygons 7.2 Lesson WWhat You Will Learnhat You Will Learn Use properties to fi nd side lengths and angles of parallelograms. Use parallelograms in the coordinate plane. Using Properties of Parallelograms, Free mathematics worksheets with answer keys can be found on several websites, including Math Worksheets Go, Math Goodies and Math-Aids.com. Participants can use some of these work..., Phonological awareness is a crucial skill that lays the foundation for successful reading and writing. One effective way to develop phonological awareness in children is through th..., Properties of Special Parallelograms 8-5 EXPLORE & REASON Consider these three figures. Figure 1 Figure 2 Figure 3 A. What questions would you ask to determine whether each figure is a parallelogram? B. Communicate Precisely What questions would you ask to determine whether Figure 1 is a rectangle? What additional questions would you, This bundle of printable worksheets features parallelograms with one or two diagonals. Angles are represented as whole numbers and algebraic expressions. Apply the angle properties of a parallelogram to find the value of x. Download the set. Solve x and Find the Angles. , Jul 20, 2023 · Parallelograms special worksheet pdf circuit angles area finding properties parallelogram rectanglesWorksheets quadrilateral perimeter area worksheet grade pdf quadrilaterals math parallelograms 4th rhombus kite trapezoid standard 3rd find square mathworksheets4kids geometry Parallelograms worksheet special pdf worksheets geometry math ... , PDFs are by no mean tough to make these days, but you might not always have access to the software you need to turn something into a PDF. For those moments, PDF Convert is a servic..., 6.2 Properties of Parallelograms 331 Using Properties of Parallelograms FGHJ is a parallelogram. Find the unknown length. Explain your reasoning. a.JH b.JK SOLUTION a.JH = FG Opposite sides of a ⁄ are £. JH = 5 Substitute 5 for FG. b.JK = GK Diagonals of a ⁄bisect each other. JK= 3 Substitute 3 for GK. Using Properties of Parallelograms ..., Properties of Special Parallelograms 8-5 EXPLORE & REASON Consider these three figures. Figure 1 Figure 2 Figure 3 A. What questions would you ask to determine whether each figure is a parallelogram? B. Communicate Precisely What questions would you ask to determine whether Figure 1 is a rectangle? What additional questions would you, Description. This resource, for Geometry (used in NC Math 3), is a self-checking circuit covering properties of parallelograms (rectangles, squares, & rhombi). This worksheet requires students to find angles, side lengths, and diagonal lengths. The step-by-step color coded solution key is included in this 7 page PDF resource., 3) Opposite angles are congruent. 4) A diagonal forms two congruent angles. 5) Diagonals bisect each other. 6) Diagonals are congruent. 7) Diagonals are perpendicular. 8) A diagonal bisects two angles. 9) All angles are right angles. 10) All sides are congruent. For each parallelogram, a) choose the best name then b) find the measures of the ..., Name: _____ 7.3 HW: Special Parallelograms Part 2 Worksheet Complete the following charts by putting check marks in the boxes that are true. 4 sides Opp. sides All sides Opp. angles All angles Parallelogram Rectangle Rhombus Square Th agonal … bisect each other are congruent bisect opposite angles are perpendicular Parallelogram Rectangle ..., Step 1: Use a straightedge to draw line b. Label a point H on line b. On a ruler lay the metal point of the compass at 0 inches and then open your compass so that the pencil point touches the 4-inch mark on the ruler. Place the metal point of the compass at point. H and mark point G so that GH measures 4 inches., 6-5: Properties of Special Parallelograms Date: Objective: I can use the properties of rhombuses, rectangles, and squares to solve problems. Do "Explore and Reason" and Habits of Mind in your student companio page 1 3. EXPLORE & REASON Consider these three figures. Figure 1 Fl ure2 0 X mosikzs Figure 3 A., Introduction. We learned about properties of parallelograms in lesson 6.02 Parallelograms , and we will explore the properties of special parallelograms including rectangles, rhombuses, and squares in this lesson.We will formally prove that a parallelogram is a rectangle, rhombus, or square based on given properties., Properties of Parallelograms Worksheets. This Quadrilaterals and Polygons Worksheets will produce twelve problems for finding the interior angles and lengths of sides for different parallelograms. You may select between whole and decimal numbers, as well as whether the properties will have algebraic expressions to solve., If you've got a PDF file you need converted to just plain text (or HTML), email it to Adobe and they'll send it back converted. If you've got a PDF file you need converted to just ..., 120. Adjacent angles in a parallelogram are supplementary. . m∠B =5(24)=120. Opposite angles in a parallelogram are congruent, so m∠D =120. REF: 060736a 8 ANS: 2 L+L−30 =180 2L =210 L =105 REF: 081519ge 9 ANS: 3 Adjacent angles in a parallelogram are supplementary. . REF: 080618a , With this worksheet generator, you can make worksheets for classifying (identifying, naming) quadrilaterals, in PDF or html formats. There are seven special types of quadrilaterals: square, rectangle, rhombus, parallelogram, trapezoid, kite, scalene, and these worksheets ask students to name the quadrilaterals among these seven types., AREAS OF PARALLELOGRAMS AND TRIANGLES 155 So, two figures are said to be on the same base and between the same parallels, if they have a common base (side) and the vertices (or the vertex) opposite to the common base of each figure lie on a line parallel to the base. Keeping in view the above statement, you cannot say that PQR and DQR of, If two adjacent angles of a parallelogram are (5p − 10)° and (p + 10)°, then find both the angles. a) 135° and 45°. b) 125° and 55°. c) 140° and 40°. d) 145° and 35°. 12. Two adjacent angles of a parallelogram are as 2 : 3. Find the measure of all the angles. a) …, View g.co.11 Worksheet 2 - Special Parallelograms.pdf from FFFF 7777 at Westminster Hig... Recently submitted questions See more. Accounting information is value relevant to the market. The earliest evidence is documented in Ball & Brown (1968) using the vent study method. Since then, hundreds of papers using similar event study, parallelogram 10) 11.1 14.3 14.3 11.1 110 ° 80 ° 60 ° 110 ° kite 11) 12 8.6 17.4 15 108 ° 95 ° 95 ° 62 ° quadrilateral 12) 9.8 10.6 9.8 16 74 ° 106 ° 106 ° 74 ° isosceles trapezoid State all possible name for each figure. 13) quadrilateral, parallelogram, rhombus, rectangle, square 14) quadrilateral, parallelogram 15) quadrilateral ... , , Find the measurement indicated in each parallelogram. 19) Find RQ 3x + 3 −1 + 4x S Q R P 15 20) Find m∠G G F E D 5x − 9 3x + 11 41 ° 21) TE = 4 + 2x EV = 4x − 4 Find TE S U T V E 12 22) Find m∠TSR U S T R 2x − 7 2x + 14 125 ° 55 °-2-Create your own worksheets like this one with Infinite Geometry. Free trial available at ..., You can identify special parallelograms in the coordinate plane by examining their diagonals. Use the diagonals to determine whether parallelogram ABCD is a ..., 2. Area of a Rhombus The formula for the area of a rhombus can be justified using the area of a triangle. A specific case is given below. The diagonals divide a rhombus into four congruent right triangles. So, the area of the rhombus is 4 …, Properties of Special Parallelograms Match each figure with the letter of one of the vocabulary terms. Use each term once. 1. 2. 3. B C A Fill in the blanks to complete each theorem. 4. If a parallelogram is a rhombus, then its diagonals are perpendicular. 5. If a parallelogram is a rectangle, then its diagonals are congruent. 6.