Ratios in Similar Figures

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.

Are the following similar? Why or why not?

• Yes. All pairs of corresponding angles are congruent.

• No, the corresponding angles are not equal.

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

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

• Congruent

• Vertical

• Similar

• Complementary 

Are these figures similar?

• yes

• no

• i don't know

• not enough information

• PQ

• RQ

• QR

• QP

Which statement is true?

These two triangles are similar to each other. What is measure is angle R?

Mathematical Equivalence

ON

These two triangles are similar to each other. What is measure is angle Y?

Mathematical Equivalence

ON

True or False: These two triangles are NOT similar.

• True

• False

∆EFG is similar to ∆HJK. Determine the scale factor of the larger figure to the smaller figure. Take your time!

• 1/3

• 3

• 3 1/3

• 7