55.6k views
2 votes
D

AB = 21
DC = 3x
AD = y +7
BC = 2y
Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent. Show that quadrilateral ABCD is a parallelogram
by finding the lengths of the opposite side pairs.
A)
7.3
B)
14,7
21,7
D
21, 14

1 Answer

2 votes

Answer:

D) 21,14

Explanation:

User Petruza
by
5.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.