3.8 Bell Work

Solve for x

Solve for x

Solve for x

The pair of figures is similar. Which proportion could be used to find the missing side?

• $\frac{12}{3}=\frac{20}{x}$

• $\frac{12}{x}=\frac{20}{3}$
  

• $\frac{12}{20}=\frac{x}{3}$
  

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4

The two right triangles below are similar. What is x, the missing side length in triangle DEF?

• x = 3.75

• x = 9.75

• x = 10

• x = 12