1 Answer

Marty Miller · Answer 1 · 2021-11-07T23:08:13+0000

Answer:

X= 19

Explanation:

If you take 4 away from 19, it equals 15, the perimeter is all sides of the square. Which is 4 sides, 15 x 4 = 60 or 15+15+15+15. The formula for perimeter is all the sides added together.

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