Geometry - Similarity Quick Review

​Unit 6 - Similarity

By Brittany Cardenas

Multiple Choice

Which of the following is NOT true about similar figures?

• A) Similar figures always have the same shape.
• B) Similar figures always have the same size.
• C) Similar figures always have corresponding angles that are equal.
• D) Similar figures always have corresponding sides that are proportional.

Multiple Choice

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary

Multiple Choice

The following triangles are similar.
AC ∼

•  DF

• AB 

•  ED

•  FC

Multiple Choice

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

Multiple Choice

What is the similarity statement for the triangle pair?

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

Multiple Choice

Calculate the value of the scale factor between the 2 triangles

• 2.5

• 3

• 3.5

• 4