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Mathematics 8 Online
OpenStudy (ashleyisakitty):

The figures are similar. What are the ratios of the perimeters, and the ratio of the areas of 1st figure to the 2nd?

OpenStudy (ashleyisakitty):

OpenStudy (mertsj):

The scale factor is the ratio of the corresponding sides. The ratio of the perimeters is the scale factor The ratio of the areas is the square of the scale factor.

OpenStudy (ashleyisakitty):

okay, riddle master. 12/5 and 144/25?

OpenStudy (mertsj):

yep

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