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21 September, 05:21

The shorter leg of a 30°-60°-90° triangle is 7.4 meters long. Find the perimeter.

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  1. 21 September, 05:33
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    The ratio of the sides of a 30 60 90 triangle are 1 : sq root (3) : 2

    So the sides are

    7.4

    7.4 * sq root (3) = 12.82

    7.4 * 2 = 14.8

    Perimeter = 7.4 + 12.82 + 14.8

    Perimeter = 35.02
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