Geometry Unit Review

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

What is the similarity statement for the triangle pair?

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

Why are the triangles similar?

• AA~
• ASA~
• SAS~
• SSS~

What is a true similarity statement?

• ΔQCT~ΔMCP
• ΔCQT~ΔCPM
• ΔTQC~ΔCMP
• ΔCTQ~ΔMQC

Are these triangles similar?
Known angles in Triangle 1:  40⁰,60⁰
Known angles in Triangle 2:  80⁰,40⁰

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

If ⊿ABC ∼⊿XYZ, then AB/XY = __/YZ.

• XY
• AB
• BC
• AC

Solve for x.

• x = 5
• x = 3
• x = 14
• x = 1

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ
• ΔNOM ∼ ΔPQL
• ΔLMN ∼ ΔPQO
• ΔMLN ∼ ΔPQO

All corresponding sides are congruent in any similar figure.

• True
• False

Find the value of x.

• 6.92
• 18.67
• 2.625
• 13.71