A(2,7) B(8, 1) • C(1,-9) D(-6,-2) Is quadrilateral ABCD a parallelogram, and why?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter4: Quadrilaterals
Section4.1: Properties Of A Parallelogram
Problem 4E: MNPQ is a parallelogram. Suppose that MQ=12.7, MN=17.9, and mM=1220. Find: a QP c mQ b NP d mP
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Quadrilateral ABCD has the following vertices. Is it a parallelogram, why? Choose the correct option.

А(2, 7)
B(8, 1)
• C(1,-9)
D(-6,-2)
Is quadrilateralABCD a parallelogram, and why?
Choose 1 answer:
Yes, because AB || CD, and AB I AD.
Yes, because AB || CD, and BC || AD.
No, because AB is not parallel to CD.
No, because BC is not parallel to AD.
Transcribed Image Text:А(2, 7) B(8, 1) • C(1,-9) D(-6,-2) Is quadrilateralABCD a parallelogram, and why? Choose 1 answer: Yes, because AB || CD, and AB I AD. Yes, because AB || CD, and BC || AD. No, because AB is not parallel to CD. No, because BC is not parallel to AD.
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