9. Understand Margaret says there is not enough information to show that WXYZ is a parallelogram. Explain why Margaret is incorrect.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter10: Measurement, Area, And Volume
Section10.3: Areas Of Parallelograms
Problem 34E
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Question
enVision Geometry
Name
E savvasrealize.com
6-4 Additional Practice
Proving a Quadrilateral Is a Parallelogram
Is there enough information to prove each quadrilateral is a parallelogram? Explain.
1.
2.
12
11
3.
78
4.
78
102
For what values of a and b is each quadrilateral a parallelogram?
5.
3a + 1
6.
A(126 + 8)*
2a
(56 + 2)*
Sa
2b-5
7.
8.
2b + 15
-Sa -
4a +b
5b - a
2b
2a + 14
Sa + b
9. Understand Margaret says there is not enough
information to show that WXYZ is a parallelogram.
Explain why Margaret is incorrect.
6 in. 3 in, 6 in. 3 in. 6 in. 3 in.
10. Apply A hazard sign has 3 identical
parallelogram-shaped stripes as shown.
Charles must outline each stripe with
reflective tape. Is one roll of 144 inches
of tape enough to finish the job? Explain.
18 in.
enVision Geonetry Teaching Resources
Transcribed Image Text:enVision Geometry Name E savvasrealize.com 6-4 Additional Practice Proving a Quadrilateral Is a Parallelogram Is there enough information to prove each quadrilateral is a parallelogram? Explain. 1. 2. 12 11 3. 78 4. 78 102 For what values of a and b is each quadrilateral a parallelogram? 5. 3a + 1 6. A(126 + 8)* 2a (56 + 2)* Sa 2b-5 7. 8. 2b + 15 -Sa - 4a +b 5b - a 2b 2a + 14 Sa + b 9. Understand Margaret says there is not enough information to show that WXYZ is a parallelogram. Explain why Margaret is incorrect. 6 in. 3 in, 6 in. 3 in. 6 in. 3 in. 10. Apply A hazard sign has 3 identical parallelogram-shaped stripes as shown. Charles must outline each stripe with reflective tape. Is one roll of 144 inches of tape enough to finish the job? Explain. 18 in. enVision Geonetry Teaching Resources
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