Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Help with 7-10 on this worksheet
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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