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Geometry 20 Online
OpenStudy (anonymous):

The figures are similar. The ratio of the lengths of their corresponding sides is 45;25, or 9;5. Find the ratio of their perimeters and the ratio of their areas. The figures are not drawn to scale.

OpenStudy (campbell_st):

the ratio of the perimeters will be the same... in similar shapes the ratio of linear measurements is identical. and perimeter is a linear measurement.

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