4 years ago

The perimeter of a triangle is 25 feet.

1 answer:

3 0

25 = 5.2 + 8 + x

5.2 + 8 = 13.2

25 = 13.2 + x

25 - 13.2 = 11.8

11.8 = x

The unknown side is 11.8 ft.

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