Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Surface Area of Round Solids

Total questions: 19

Worksheet time: 19mins

Name
Class
Date
1.

If the radius of a sphere is 5 cm, what is its surface area?

a)

The surface area of the sphere with a radius of 5 cm is 4(5)^2 = 4(25) = 100 cm^2

b)

The surface area of the sphere with a radius of 5 cm is 3π(5)^2 = 3π(25) = 75π cm^2

c)

The surface area of the sphere with a radius of 5 cm is 2π(5)^2 = 2π(25) = 50π cm^2

d)

The surface area of the sphere with a radius of 5 cm is 4π(5)^2 = 4π(25) = 100π cm^2

2.

If the radius of the base of a cylinder is 3 cm and the height is 8 cm, what is its surface area?

a)

The surface area of the cylinder is 96.48 cm^2.

b)

The surface area of the cylinder is 150.72 cm^2.

c)

The surface area of the cylinder is 72.36 cm^2.

d)

The surface area of the cylinder is 24.12 cm^2.

3.

What is the formula to find the surface area of a sphere?

a)

3πr^2

b)

πr^3

c)

4πr^2

d)

2πr^2

4.

What is the formula to find the surface area of a cylinder?

a)

πr^2

b)

2πrh

c)

2πr^2 + 2πrh

d)

3πr^2

5.

What is the formula to find the surface area of a cone?

a)

A = 2πrs

b)

A = 2πr^2

c)

A = πr^2 + πrs

d)

A = πr^2

6.

If the radius of the base of a cone is 4 cm and the slant height is 7 cm, what is its surface area?

a)

16π cm^2

b)

28π cm^2

c)

35π cm^2

d)

44π cm^2

7.

If the outer radius of a hollow sphere is 6 cm and the inner radius is 4 cm, what is its surface area?

a)

The surface area of the hollow sphere is 96π cm^2.

b)

The surface area of the hollow sphere is 24π cm^2.

c)

The surface area of the hollow sphere is 48π cm^2.

d)

The surface area of the hollow sphere is 36π cm^2.

8.

If the radius of a partial sphere is 10 cm and the sector angle is 60°, what is its surface area?

a)

The surface area of the partial sphere is approximately 471.24 cm^2.

b)

The surface area of the partial sphere is approximately 300 cm^2.

c)

The surface area of the partial sphere is approximately 700 cm^2.

d)

The surface area of the partial sphere is approximately 100 cm^2.

9.

Find the total surface area of the cylinder.

Don't forget to divide the diameter by 2 to get the radius. Round to the nearest tenth.

a)

25.13 square cm

b)

75.40 square cm

c)

50.27 square cm

d)

100.53 square cm

10.

Find the total surface area of the cone. Round to the nearest tenth.

a)

37.7 m²

b)

50.3 m²

c)

75.4 m²

d)

25.1 m²

11.

Find the total surface area of a cone with a radius of 7 inches and a slant height of 11 inches. Round to the nearest tenth.

a)

259.7 in2

b)

241.9 in2

c)

153.9 in2

d)

395.8 in2

12.

What is the surface area of this composite figure?

a)

60π cm 2

b)

45π cm 2

c)

57π cm 2

d)

48π cm 2

13.

A paper party hat, like the one shown, has a slant height of 6 inches and a radius of 5 inches. How many square inches of cardboard would be needed to create this hat?

a)

94.3 in.2

b)

172.8 in.2

c)

50 in.2

d)

22.5 in.2

14.

What is surface area?

a)

The distance around the outside of a two-dimensional figure

b)

The number of square units in a two-dimensional figure

c)

The number of cubic units needed to fill a three-dimensional figure.

d)

The sum of the areas of all surfaces on a three-dimensional figure

15.

The solids are similar. Find the Surface Area of the smaller solid. Round your answer to the nearest tenth.

a)

210.5 m2

b)

150.4 m2

c)

577.6 m3

d)

10.7 m3

16.

The solids are similar. Find the Surface Area of the larger solid. Round your answer to the nearest tenth.

a)

216.7 ft2

b)

361.1 ft2

c)

691.9 ft3

d)

78 ft3

17.

What is the total surface area of the cylinder to the nearest square inch? 

a)

625 in2

b)

1300 in2

c)

1046 in2

d)

414 in2

18.

What is the surface area?

a)

42 yard2

b)

19 yard2

c)

27 yard2

d)

129 yard2

19.

What is the surface area of the cylinder to the nearest square inch? 

a)

625 in2

b)

1300 in2

c)

1046 in2

d)

414 in2