Similar Figures
Area and Perimeter
Mystery
100

Find the ratio of similar figures with side lengths of 8 and 2

4/1

100

What is the area ratio if the perimeter ratio is 2/5?

4/25

100

If a garden has side lengths of 12 x 8 , is a garden with side lengths of 15 x 10 similar to it?

YES!

200

What is the perimeter ratio if the side lengths are 12 and 8 of similar figures.

3/2

200

Perimeter ratio for polygons with corresponding sides of 18 and 3

6/1

200

The ratio of Square A to Square B is 3/5. If Square B has a perimeter of 60, what is the perimeter of Square A?

36

300

if two polygons are similar and have corresponding side lengths of 15 and 20.

What is the side width of the larger figure if the width of the smaller figure is 6?

8

300

A 30-foot flagpole casts a shadow that is 10 feet long. At the same time, a nearby tower casts a shadow 50 feet long.
How tall is the tower?

Tower = 150 feet

300

The area ratio of similar figures is 25/100. What is the ratio of their perimeters?

5/10 or 1/2

400

if two rectangles are similar and have corresponding side lengths of 12 and 3.

What is the side width of the larger figure if the width of the smaller figure is 15?

60

400

The perimeter of Figure C is 28 inches and the perimeter of Figure D is 112 inches.

Figure D is the larger similar shape with a corresponding side length of 36 inches. 

Find the side length of Figure C.

Side length of Figure C = 9 inches

400

Two MP3 players have a perimeter ratio of 4/3. The area of the larger one is 8. What is the area of the smaller MP3 player?

14.2
500

Two right triangles are similar and have corresponding hypotenuse lengths of 2 and 7.

What is the side length of the smaller triangle if the side length of the larger triangle is 21?

6

500

If two figures are similar, find the perimeter of Figure B.

  • Figure A: Area = 25 in², Perimeter = 18 in
  • Figure B: Area = 225 in², Perimeter = x

54 inches

500

The side ratio is 3/5. The perimeter of the larger square is 60. What is the perimeter of the smaller square?

36

M
e
n
u