Surface Area Of A Cube - Geometry Worksheet With Answers (Page 2 of 2) in pdf

Surface Area Of A Cube - Geometry Worksheet With Answers Page 2

E–1

Name

Date

Surface Area of a Cube

Answer each question and solve each problem.

What is the formula for finding the area of a square?

How many squares does it take to form a cube?

All the faces of a cube form the surface of the cube. What formula can you write to

find the area of the surface, or surface area, of a cube?

Use the formula you wrote for exercise 3 to find the surface area of a cube made up of

squares that measure 7 centimeters along each side.

7; A

294 square centimeters

A storage shed is shaped like a cube. It is 9 feet long, 9 feet tall, and 9 feet wide.

Karen wants to paint the outside of the shed. How many square feet will she have to

paint? Explain your answer.

405 square feet. Since the cube is a shed, Karen will not

paint the bottom face, which is on the ground. She needs

to paint only 5 of the faces of the cube. 5

405

Sam has 2 identical cubes. Each square that makes up their faces measures 11

centimeters along each side. Sam makes a new solid figure by gluing the cubes together,

stacking one cube exactly on top of the other. What is the surface area of the new figure?

1,210 square centimeters

Analyze It How did you find the answer to exercise 6?

Sample answer: Sam stacks the cubes exactly, so the

new figure has 10 square faces. 10

1,210

Surface Area Of A Cube - Geometry Worksheet With Answers Page 2