Similar by Aa

Which triangles are similar to triangle A?

• B

• C

• Both

• None

Given that Triangle ABC is similar to Triangle DEF. Find the angle B.

• 60⁰

• 42⁰

• 79⁰

• 180⁰

Given that Triangle BAC is similar to Triangle EDF. Find the angle EFD.

• 45

• 22

• 113

• 18

Are the triangles 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.

What angle corresponds with A? 

• D

• F

• C

• E

Tell whether the triangles are similar. Explain.

• Yes because it looks like it

• Yes because 81 + 48 + 51 = 180

• No because 81 + 48 + 51 =/= 180

• Def not

What reasons complete the proof?

• Given, AA Similarity Postulate

• Vertical Angle Theorem, AA Similarity Postulate

• Reflexive Property, SAS Similarity Postulate

• Definition of Angle Bisector, SSS Similarity Postulate

Determine whether the triangles are similar or not. If so, state how they are similar.

• Yes, by AA Similarity

• Yes, by SAS Similarity

• Yes, by SSS Similarity

• No, not similar

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE