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CanadaON
Grade 8

9.06 Surface area of prisms

Worksheet
Surface area of prisms
1

Find the surface area of the following rectangular prisms:

a
b
2

Find the surface area of the following cubes:

a
b
3

Find the side length of a cube that has a surface area of 384\text{ cm}^2.

4

Find the surface area of the following triangular prisms:

a
b
5

Consider the following figure:

a

Find the value of x.

b

Find its surface area.

6

Consider the following figure:

a

Find the find the value of x.

b

Find its surface area.

7

Find the surface area of the following prisms. Round your answer to two decimal places when necessary.

a
b
c
d
8

Consider the following trapezoidal prism:

a

Find the value of y correct to one decimal place.

b

Find its surface area.

9

Consider the following trapezoidal prism:

Find its surface area.

Applications
10

Consider the swimming pool with the following dimensions:

Calculate the area inside the pool that is to be tiled. Round your answer to two decimal places.

11

Sally is building a storage chest in the shape of a rectangular prism. The chest will be 93\text{ cm} long, 80\text{ cm} deep, and 18\text{ cm} high. Find the surface area of the chest.

12

A birthday gift is placed inside the box shown:

Find the minimum amount of wrapping paper needed to wrap this gift?

13

Both of the following popcorn bags are designed to carry 735\text{ cm}^3 of popcorn.

a

Find the height h of bag A.

b

Find the height h of bag B.

c

Find the surface area of bag A.

d

Find the surface area of bag B.

e

Which bag should be used to reduce the amount of paper needed?

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Outcomes

8.E2.3

Solve problems involving the perimeter, circumference, area, volume, and surface area of composite two-dimensional shapes and three-dimensional objects, using appropriate formulas.

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