Understand Similar Figures

Find y.

• 144
• 18
• 72
• 12

Solve the proportion.
____ = ____

• p=31.3
• p=308
• p=924
• p=532

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Matching sides are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Sides in similar figures must be proportional.  

• True
• False 

Two shapes that are similar are also congruent

• True
• False

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

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

• x = 12
• x = 3
• x = 40
• x = 4

A triangle has sizes measuring 11 cm, 16 cm, and 16 cm. A similar triangle has sides measuring x cm, 24 cm, and 24 cm. What is x?

• x = 19 cm
• x = 24 cm
• x = 3 cm
• x = 16.5 cm

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

• x = 20
• x = 12
• x = 5
• x = 4