Similarity and Solving Proportions

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

Sides that "match up" between similar figures are called _____________

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

What is true about the sides of similar figures?

• Corresponding sides are proportional.
• Corresponding sides are congruent.
• Opposite sides are proportional.
• Opposite sides are congruent.

ΔSQR∼ΔSPT. Which choice below lists two corresponding sides?

• SP and SR

• QS and PT

• PS and RS

• TP and RQ

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.

Which proportion can be used to solve for the missing side?

• 
• 
• 
• 

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

• PQ

• RQ

• QR

• QP

Which statement is true?