Area and perimeter of similar figures

Find the ratio (red to blue) of the perimeter.

• 11/6
• 6/11
• 121/36
• 36/121

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Find the ratio (red to blue) of the area.

• 11/6
• 6/11
• 121/36
• 36/121

Tags

CCSS.7.G.A.1

Matching sides are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Tags

CCSS.8.G.A.2

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.

Tags

CCSS.HSG.SRT.A.2

Find the ratio (blue to red) of the perimeter.

• 4/7
• 7/4
• 49/16
• 16/49

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Two hexagons are similar with a scale factor of 4/5. If the area of the larger hexagon is 20, what is the area of the smaller hexagon?

• 10.24

• 12.8

• 16

• 25

Tags

CCSS.7.G.A.1

CCSS.7.G.B.6

CCSS.7.RP.A.2

The area of triangle A is 54 and triangle B is 150. What is the scale factor of A to B? 

• 9:25
• 27:75
• 3:5
• 25:9

Tags

CCSS.7.G.A.1

Find the missing perimeter.

• 15
• 20
• 25
• 30

Tags

CCSS.5.G.B.3

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 figures are similar. What is the ratio of their perimeters?

• 18/24

• 3/4

• 1/2

• 36/24

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3