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26 March, 12:27

A triangle has a side length of 9 inches and a perimeter of 72 inches. A similar triangle has a corresponding side length of 10 inches. Find the perimeter of the larger triangle

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  1. 26 March, 13:23
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    9/72=10/x

    Cross multiply

    9x=720

    720/9

    x = 80

    aka the answer is 80 inches
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