Review for Ratios and Proportions and Similar Polygons

Solve the proportion.

• 18

• 3

• 2

• 9

Tags

CCSS.7.RP.A.2B

Find the scale factor of ΔMNP to ΔDEF

Tags

CCSS.7.G.A.1

Two polygons are similar. The perimeter of the first polygon is 72 inches. The perimeter of the second polygon is 90 inches. What is the scale factor of the first polygon to the second polygon?

• 72 : 90

• 90 : 72

• 4 : 5

• 5 : 4

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

• congruent, proportional 

• proportional, congruent 

• congruent, congruent

• proportional, proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The ratio 5:15 simplifies to...

• 1:3

• 3:1

• 1:5

• 3:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

Tags

CCSS.6.RP.A.3A

Solve the proportion.

• 20

• 7

• 22

• 11

Tags

CCSS.7.RP.A.2C

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Tags

CCSS.HSG.SRT.A.2

Pentagon JKLMN is similar to pentagon VWXYZ.
What is the measurement of angle X?

• 30 degrees

• 60 degrees

• 150 degrees

• 120 degrees

Tags

CCSS.HSG.SRT.A.2

• P = 85 feet

• P = 106.25 feet

• P = 68 feet