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e-lub [12.9K]
3 years ago
8

For what value of x must ABCD be a parallelogram? asap please!!

Mathematics
2 answers:
pochemuha3 years ago
3 0
Parallelogram so
CD = AB
18x - 5 = 15x + 4
3x = 9
  x = 3

answer
x = 3
nalin [4]3 years ago
3 0

Answer:

x = 3

Step-by-step explanation:

In a parallelogram, opposite sides have the same length. Then:

segment DC = segment AB

and

segment DA = segment CB

Replacing with data from the picture, we get:

18*x - 5 = 15*x + 4

18*x - 15*x = 4 + 5

3*x = 9

x = 9/3

x = 3

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