
Challenge Exercises:
Perimeter & Area 

Unit 1
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Lesson 7 of 8 
Directions: Read each question below. Click once in an ANSWER BOX and type in your answer; then click ENTER.
Your answers should be given as whole numbers greater than zero.
After you click ENTER, a message will appear in the RESULTS BOX to indicate whether your answer is correct or incorrect.
To start over, click CLEAR.

1.

A piece of paper has a length of 16 inches and an area of 48 square inches. Find the width.

2.

The perimeter of a squareshaped rug is 36 meters. Find the area.

3.

The area of a triangularshaped garden is 72 square feet and the height is 24 feet. Find the base.

4.

The height of a parallelogram is 6 more units than the base. What is the area of the
parallelogram if the base is 15 centimeters?

5.

A dining room table has 8 sides of equal length. If one side measures 15 inches, what is the
perimeter of the table?

6.

A man has 30 feet of fence for a rectangular garden. What is the area of the largest garden he
can build with wholenumber dimensions?

7.

A cardboard cutout has 5 sides of equal length. If the perimeter is 65 centimeters, what is
the length of one side?

8.

A chess board has an area of 49 square inches. Find the perimeter.

9.

Room carpet costs $25 per square yard. If the area of a bedroom is 20 square yards, how
much will the room carpet cost? (No decimal point)

10.

A mirrored plate has 6 sides of equal length. If the perimeter is 72 centimeters,
what is the length of one side?

