Quiz about Similar Areas and Perimeters

Question 1

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

Accepted Answer

11/6

Answer

6/11

Answer

121/36

Answer

36/121

Question 2

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

Accepted Answer

121/36

Answer

11/6

Answer

6/11

Answer

36/121

Question 3

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

Accepted Answer

196/81

Answer

9/14

Answer

14/9

Answer

81/196

Question 4

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

Accepted Answer

14/9

Answer

9/14

Answer

196/81

Answer

81/196

Question 5

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

Accepted Answer

64/25

Answer

25/64

Answer

5/8

Answer

8/5

Question 6

Find the missing perimeter.

Accepted Answer

30

Answer

15

Answer

20

Answer

25

Question 7

Find the missing area.

Accepted Answer

20

Answer

15

Answer

25

Answer

30

Question 8

Find the missing area.

Accepted Answer

24

Answer

0

Answer

12

Answer

30

Question 9

If the ratio of 2 round dinner plates is 2:5, what is the ratio of their areas?

Accepted Answer

4:25

Answer

2:5

Answer

1:5

Answer

4:10

Question 10

Find the missing side length.

Accepted Answer

35

Answer

32

Answer

20

Answer

16

Question 11

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?

Accepted Answer

100 : 49

Answer

200: 494

Answer

100 : 28

Answer

832 : 48

Question 12

What is the perimeter ratio of the following rectangles?

Accepted Answer

10/7

Answer

7/6

Answer

10/6

Answer

5/3

Question 13

What is the area ratio of the following rectangles?

Accepted Answer

100/49

Answer

10/7

Answer

100/36

Answer

4/36

Question 14

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?

Accepted Answer

12.8

Answer

10.24

Answer

16

Answer

25

Question 15

The perimeter of one rectangle is 12 units. The perimeter of another rectangle is 20 units. If the area of the SECOND (larger) rectangle is 16 square units, what is the area of the first rectangle?

Accepted Answer

5.76 square units

Answer

9.6 square units

Answer

26.7 square units

Answer

44.4 square units

Question 16

If the ratio of perimeters of 2 triangles is 3:4, and the area of the smaller triangle is 324, what is the area of the larger triangle?

Accepted Answer

576

Answer

81

Answer

432

Answer

243

Question 17

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

Accepted Answer

3:5

Answer

9:25

Answer

27:75

Answer

25:9

Question 18

If the ratio of perimeters of 2 triangles is 3:4, and the area of the smaller triangle is 324, what is the area of the larger triangle?

Accepted Answer

576

Answer

182

Answer

432

Answer

243

Question 19

If the ratio of perimeters of 2 triangles is 3:4, and the perimeter of the smaller triangle is 324, what is the perimeter of the larger triangle?

Accepted Answer

432

Answer

81

Answer

576

Answer

243

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