Similar Angles in Triangles

Are the triangles similar?

• Yes

• No

Are these figures similar?

• yes

• no

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.

Are the triangles similar?

• Yes

• No

Which statement about the triangles at the right is true?

• ΔABC is not similar to ΔADF

• ΔABC is similar to ΔADF

• ∠BAC is not congruent to ∠DAF

• ΔABC is congruent to ΔADF

Are the triangles similar?

• Yes

• No

Are the triangles similar?

• Yes

• No

Are the triangles similar?

• Yes

• No

△ABC is congruent to △PQR as shown in the image. Two angles that are congruent and have the same size are ...

• ∠A = ∠Q

• ∠A = ∠R

• ∠C = ∠P

• ∠B = ∠Q

What angle in triangle DEF, corresponds with angle A in triangle ABC?

• D

• F

• C

• E