Practice the questions of **McGraw Hill Math Grade 8 Answer Key PDF Lesson 15.4 Perimeter with Customary Units **to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 8 Answer Key Lesson 15.4 Perimeter with Customary Units

**Exercises**

**CALCULATE**

Question 1.

What is the perimeter of the figure shown?

Answer:

20 in.,

Explanation:

The perimeter of the figure shown with sides is

4 in, 6 in, 4 in, 6 in is 4 in + 6 in + 4 in + 6 in = 20 in.

Question 2.

What is the perimeter of the figure shown?

Answer:

26 in.,

Explanation:

The perimeter of the figure shown with sides is

7 in, 4 in, 6 in, 5 in, 4in is 7 in + 4 in + 6 in + 5 in + 4 in = 26 in.

Question 3.

What is the perimeter of the triangle?

Answer:

108 in.,

Explanation:

The perimeter of the figure shown with sides is

27 in, 36 in and 45 in is 27 in + 36 in + 45 in = 108 in.

Question 4.

What is the perimeter of the figure shown?

Answer:

44 in.,

Explanation:

The perimeter of the figure shown with sides is

12 in, 12 in, 10 in, 10 in is 12 in + 12 in + 10 in + 10 in = 44 in.

Question 5.

What is the perimeter of the figure shown?

Answer:

17 in.,

Explanation:

The perimeter of the figure shown with sides is

4 in, 6 in, 4 in, 3 in is 4 in + 6 in + 4 in + 3 in = 17 in.

Question 6.

What is the perimeter of the figure shown?

Answer:

36 ft,

Explanation:

The perimeter of the figure shown with sides is

four time 5 ft, 2 ft and 2 ft is 4 X (5 ft + 2 ft + 2 ft) = 4 X 9 ft = 36 ft.

Question 7.

Jane created the odd-shaped wheel pictured in the figure. If she were to push the wheel 3 times around, how far would she have pushed the wheel?

Answer:

81 ft,

Explanation:

Given Jane created the odd-shaped wheel

pictured in the figure as shown with 3 ft, 3ft, 3ft,

4 ft, 5 ft, 5 ft, 4 ft the perimeter of odd- shaped

wheel is 3 ft + 3 ft + 3 ft + 4 ft + 5 ft + 5 ft + 4 ft =

27 ft If she were to push the wheel 3 times around,

far would she have pushed the wheel is 3 X 27 ft = 81 ft.