Homework Help: Math

Posted by Anonymous on Tuesday, January 29, 2013 at 8:11pm.

two similar figures have lengths in the ratio of 7/4. Give the ratios of parimeters and areas?

Math - Reiny, Tuesday, January 29, 2013 at 8:44pm
perimeter calculation is a linear measurement, so the perimeters are in the ratio of 7:4

but the area of two similar figures is in the ratio of the square of their sides, so
the areas are in the ratio of 49:16

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