Proportions from Similar Figures

• A

• B

• C

• D

8.3(A) 2014, Q25

• A

• B

• C

• D

Figure EFG is similar to figure XYZ. Which proportion must be true for these figures?

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

• Congruent

• Scale Factor

• Similar

• Proportional

All corresponding sides are proportional (same ratio) in similar figures.

• True

• False

All corresponding angles are congruent in similar figures.

• True

• False

Sides in similar figures must be proportional.  

• True

• False 

Figure JKLM is similar to figure PQRS.

Solve the proportion:

• c = 4

• c = 8

• c = 14

• c = 10

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.