### Home > GC > Chapter 9 > Lesson 9.1.1 > Problem 9-8

9-8.

Assume that two figures on a flat surface, and

*, are similar.*

If the linear scale factor is

, then what is the ratio of the areas of and?If the ratio of the perimeters of

andis, what is the ratio of the areas? If the area of

istimes that of , what is the ratio of the perimeters?The ratio of the perimeters is the square root of the ratio of the areas.