Similar Polygons Quiz 1

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

A photo is 12 in. wide by 18 in. tall. If the width is scaled down to 9 inches, how tall should the similar photo be? 

• 15 in

• 0.67

• 13.5 in

• 2

What is the name of a 10-sided polygon?

• Dodecagon

• Decagon

• Nonagon

• Ocatgon

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Similarity Ratio: _

• 2/3

• 1/2

• 2

• 3

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional 

• proportional, congruent 

• congruent, congruent

• proportional, proportional

Tags

CCSS.HSG.CO.B.6

CCSS.8.G.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.

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger

figure.

• a

• b