3 years ago

In order for the parallelogram to be a

Mathematics

1 answer:

snow_lady [41]3 years ago

6 0

<h3>Answer: 20</h3>

Explanation:

For any rectangle, the diagonals are the same length.

AC = BD

7x-35 = 3x+45

7x-3x = 45+35

4x = 80

x = 80/4

x = 20

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