Perimeter and Area of Similar Polygon

The two gazebos shown are similar pentagons. Find the perimeter of Gazebo A. Write answer like P = # m

(a)  

In the diagram, RSTU is similar to ABCD. Find the ratio of their perimeters.

• 1:3

• 3:2

• 2:3

• 3:1

• 2:4

Two polygons are similar. The perimeter of the larger polygon is 120 yd and the ratio is 1/6. Find the perimeter of the smaller polygon. Write answer like # yd

(a)  

The polygons in the diagram are similar. The area of one polygon is given. Find the area of the other polygon.

• 130 ft^2

• 108 ft^2

• 100 ft^2

• 120 ft^2

The polygons in the diagram are similar. The area of one polygon is given. Find the area of the other polygon.

• 120 cm^2

• 40 cm^2

• 100 cm^2

• 90 cm^2

The polygons in the diagram are similar. The area of one polygon is given. Find the area of the other polygon.

• 20 in^2

• 8 in^2

• 4 in ^2

• 10 in^2

Find the scale factor. If your answer is not a whole number then write answer as a fraction like k = #/#

(a)  

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4

The polygons in the diagram are similar. Find the value of x.

• x=15

• x=44

• x=10

• x=11

Tags

CCSS.HSG.SRT.A.2

The polygons in the diagram are similar. Find the value of x.

• x=11

• x=12

• x=16

• x=20

Tags

CCSS.HSG.SRT.A.2

The playing surfaces of two foosball tables are similar. The ratio of the corresponding side lengths  is 10:7. What is the ratio of the areas? 

• 200: 494

• 100 : 28

• 832 : 48

• 100 : 49