Unit 8 - Similarity Proof Quiz

Determine whether the triangles are similar(name the postulate or theorem you used).

• Similar by SSS~

• Similar by AA~

• Similar by SAS~

• Not similar

Complete the similarity statement.
ABC ~ ___

• ZYX
• XZY
• YZX
• XYZ

Tags

CCSS.HSG.SRT.A.2

Are these triangles similar?
Angles in Triangle 1:  40⁰,60⁰, and 80⁰
Angles in Triangle 2:  40⁰,50⁰, and 90⁰

• Yes
• No
• There is not enough information to decide.

Tags

CCSS.HSG.SRT.A.2

The measures of the angles in a triangle are 53⁰,78⁰, and 49⁰.  A similar triangle is created by using a dilation with a scale factor of 2.  What are the measures of the angles of this triangle?

• 53⁰,78⁰, and 49⁰
• There is not enough information to answer this question.
• 106⁰,156⁰, and 98⁰
• 26.5⁰,39⁰, and 24.5⁰

Tags

CCSS.8.G.A.3

If the triangles are similar, state how.

• SSS

• SAS

• AA

• Not similar

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2

Which similarity theorem, if any, proves that these triangles are similar?

• SSS
• SAS
• AA
• None, the triangles are not similar

Tags

CCSS.HSG.SRT.B.5

Which similarity theorem, if any, proves that these triangles are similar?

(Hint: Look for non-labeled parts!)

• SSS

• SAS

• AA

• None, the triangles are not similar

If the triangles are similar, state how.

• SSS
• SAS
• AA
• Not similar.

Tags

CCSS.HSG.SRT.B.5

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW
• ΔXZY~ΔNWE
• ΔZYX~ΔENW
• ΔYZX~ΔNWE

Tags

CCSS.HSG.SRT.A.2