Similar Polygons Perimeter and Area

The two ratios are similar. Find the ratios (red to blue) of the perimeters and of the areas. 

• Perimeter: 4/6 
  Area: 25/64

• Perimeter: 4/16
  Area: 8/16

• Perimeter: 5/8
  Area: 25/64

• Perimeter: 14/9
  Area: 121/64
  Area:

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

Complete the Sentence: For two figures to be similar, the corresponding angles must be _______ and the corresponding side lengths must be _______.

• Proportional, similar

• Similar, congruent

• Congruent; proportional

• Similar, proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

(a)  

Tags

CCSS.7.G.A.1

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

(a)  

Tags

CCSS.7.G.A.1

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