Post-Test Review

Solve each proportion.

$$\frac{8}{n}=\frac{6}{n-8}$$

Solve each proportion.

$$\frac{n-10}{n}=\frac{8}{2}$$

Solve each proportion.

$$\frac{x+3}{10}=\frac{2}{8}$$

Solve each proportion.

$$\frac{r+9}{9}=\frac{8}{10}$$

Solve each proportion.

$$\frac{5}{9}=\frac{x-3}{x-7}$$

Solve each proportion.

$$\frac{5}{a+9}=\frac{9}{a-3}$$

Solve each proportion.

$$\frac{5}{8}=\frac{x+3}{x+4}$$

Solve each proportion.

$$\frac{3}{9}=\frac{x-2}{x-1}$$

The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.

The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.