Ratios, Proportions, and Similar Polygons

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• q=2

• q=9

• q=4.5

• q=6

Tags

CCSS.7.RP.A.2B

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

• 3 in

• 2 in.

• 4 in

• 1 in

Tags

CCSS.7.G.A.1

The two right triangles below are similar. What is x, the missing side length in triangle DEF?

• 3.75

• 9.75

• 10

• 12

Tags

CCSS.HSG.SRT.A.2

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Tags

CCSS.HSG.SRT.A.2

If ABCDE ∼ GHJDF, then∠B is congruent to _______

• ∠H

• ∠D

• ∠F

• ∠J

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 63 in., what is the length of the banner?

• 84 in

• 71 in

• 47.25 in

• 80

The pair of figures are similar. Find the missing side.

• x = 9
• x = 28
• x = 7
• x = 63

Tags

CCSS.HSG.SRT.A.2

Are the two figures similar?

• yes

• no

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

• 2:5

• 5:3

• 3:5

• 2:3

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6