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12 March, 00:37

Given 2 similar polygons with scale factor 5:7 and the perimeter of the larger polygon are 490 inches, find the perimeter of the smaller polygon.

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  1. 12 March, 00:53
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    350 inches

    Step-by-step explanation:

    The 7 "ratio units" represent 490 inches, so each represent 490/7 = 70 inches. Then 5 "ratio units" will represent 5*70 inches = 350 inches.

    smaller perimeter : larger perimeter

    = 5 : 7

    = (350 inches) : (490 inches)
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