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13 December, 20:19

The angle measures in a triangle are in the ratio 1:3:5. The longest side of the triangle measures 5 inches. What is the approximate perimeter of the triangle? 9.0 in. 9.4 in. 11.1 in. 12.7 in.

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  1. 13 December, 20:31
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    Step-by-step explanation:

    X + 3x + 5x = 180

    9x = 180

    x = 20

    So the angles are

    20

    60 and

    100
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