NAME DATE PERIOD Lesson 5 Homework Practice - Central Dauphin School ...

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Lesson 5 Homework Practice

Surface Area of Pyramids

Find the surface area of each pyramid.

1.

16 km

2.

5 ft

9 km 9 km

4 ft 4 ft

3.

2 yd

1

1 4

yd

1

1 4

yd

4.

8 in. 6.9 in.

8 in. 8 in.

5.

6 mm

8.9 mm

6 mm

6 mm 5.2 mm

6.

7 m 5 m

5 m

5 m

4.3 m

7. GOLF Marshall purchased a pyramid-shaped golf ball display case with the dimensions shown. What is the surface area of the case? Round to the nearest hundredth.

5.25 in.

4.78 in.

GOLF

5.25 in.

5.25 in.

8. PUZZLES Potter's Puzzles sells a wooden pyramid puzzle. The base is a square with side lengths of 6 inches. The slant height is 10 inches. What is the surface area of the puzzle?

4.55 in.

9. ART Mariah is painting the surface of a sculpture in the shape of a square pyramid. The base has side lengths of 32 centimeters. The slant height is 25 centimeters. What is the surface area of the sculpture?

Copyright ? The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.

Course 1 ? Chapter 10 Volume and Surface Area

155

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