geometry

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A rectangle with an area of 32 inches squared has one side measuring 4 inches. A similar rectangle has an area of 288 inches squared. How long is the longer side in the larger rectangle?

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Similar figures have corresponding sides, areas and perimeters in the same proportion.

32 : 288 = 4 : x
32/288 = 4/x
cross multiply
32x = 1152
x = ?

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