NAME DATE PERIOD Lesson 6 Homework Practice - Wood Math Design

NAME _____________________________________________ DATE __________________ PERIOD _________

Lesson 6 Homework Practice

Surface Area of Prisms

Find the surface area of each prism. Round to the nearest tenth if necessary.

1.

2.

3.

3 ft 2 ft

6 ft

5.5 m

6

2 3

yd

72 ft2

4.

4 m

3 m

2 m

1.2 m 1.6 m

34.6 m2

5.

8

1 4

yd

12 yd

468 yd2

4.8 ft

52 m2

6.

4 mm

5.2 mm

6.6 mm

9 mm

163 mm2

3 ft 5 ft

106.8 ft2

7.

12 in.

8.1 in.

8.1 in.

8.1 in.

area of base 28.4 in2

348.4 in2

8. BIRTHDAY GIFT When wrapping a birthday gift in the shape of a rectangular prism for his mother, Kenji adds an additional 2.5 square feet of gift wrap to allow for overlap. How many square feet of gift wrap will Kenji use to wrap a gift 3.5 feet long, 18 inches

wide, and 2 feet high? 33 ft2

9. CONTAINERS A company needs to package hazardous chemicals in special plastic rectangular prism containers that hold 80 cubic feet. Find the whole number dimensions of the container that would use the least amount of plastic.

4 ft, 4 ft, and 5 ft

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

Course 2 ? Chapter 8 Measure Figures

131

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