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7 January, 16:20

The perimeter of a triangle is 25 feet.

What is the length of the unknown side?

one side is-5.2 ft

another side is-8 ft

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Answers (1)
  1. 7 January, 17:18
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    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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