Homework Help: math

Posted by Hank on Tuesday, October 16, 2012 at 2:23pm.

The scale factor for two similar retangles is 3. If the area of the smaller rectangle is 8m^2, what is the area of the larger rectangle.

math - Steve, Tuesday, October 16, 2012 at 3:53pm
if the scale factor is 3, the areas scale by 3^2 = 9

so, the larger area is 8*9 = 72m^2

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