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

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asked Jul 7, 2021 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

Mathematics
high-school

Michaela Elschner asked

by Michaela Elschner

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1 Answer

2 votes

Answer:

D) 21,14

Explanation:

Petruza answered Jul 13, 2021

by Petruza

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