10) For what values of x and y must ABCD be a parallelogram?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter1: Line And Angle Relationships
Section1.CT: Test
Problem 9CT: Given that 2x3=7. What reason allows the conclusion 2x=10?
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10) For what values of x and y must ABCD be a parallelogram?

7.
B
4x - 5
8.
y-1 2y-7
A
2x-
3x
(y + 78)
A
3y
(4x - 21)
D
D.
Transcribed Image Text:7. B 4x - 5 8. y-1 2y-7 A 2x- 3x (y + 78) A 3y (4x - 21) D D.
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