lesson 8.7 • surface area · 8/02/2013 · lesson 8.7 • surface area name period date in...

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Lesson 8.7 • Surface Area Name Period Date In Exercises 1–8, find the surface area of each solid. All quadrilaterals are rectangles, and all measurements are in centimeters. Round your answers to the nearest 0.1 cm 2 . 1. 2. 3. 4. 5. Base is a regular hexagon. 6. s 6, a 5.2, and l 9. 7. Both bases are squares. 8. A square hole in a round peg 9. Ilsa is building a museum display case. The sides and bottom will be plywood and the top will be glass. Plywood comes in 4 ft-by-8 ft sheets. How many sheets of plywood will she need to buy? Explain. Sketch a cutting pattern that will leave her with the largest single piece possible. 3 ft 2 ft 3 ft 2 ft 1 _ 2 1 ft 1 _ 2 13 14 4 12 6 8 a s l 10 4 5 3 4 3 3 13 13 8.5 12.4 6 5 12 13 7 6 2 58 CHAPTER 8 Discovering Geometry Practice Your Skills ©2008 Key Curriculum Press DG4PS_893_08.qxd 11/1/06 10:26 AM Page 58

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Page 1: Lesson 8.7 • Surface Area · 8/02/2013 · Lesson 8.7 • Surface Area Name Period Date In Exercises 1–8, find the surface area of each solid. All quadrilaterals are rectangles,

Lesson 8.7 • Surface Area

Name Period Date

In Exercises 1–8, find the surface area of each solid. All quadrilaterals arerectangles, and all measurements are in centimeters. Round your answersto the nearest 0.1 cm2.

1. 2. 3.

4. 5. Base is a regular hexagon. 6.s ! 6, a ! 5.2, and l ! 9.

7. Both bases are squares. 8. A square hole in a round peg

9. Ilsa is building a museum display case. The sides and bottom will be plywood and the top will be glass. Plywood comes in 4 ft-by-8 ft sheets. How many sheets of plywood will she need to buy? Explain. Sketch a cutting pattern that will leave her with the largest single piece possible.

3 ft

2 ft

3 ft2 ft1_2

1 ft1_2

13

14412

6

8

a s

l

10

4

5

3

4

33

13

13

8.5

12.4

6

5

12

13

76

2

58 CHAPTER 8 Discovering Geometry Practice Your Skills

©2008 Key Curriculum Press

DG4PS_893_08.qxd 11/1/06 10:26 AM Page 58

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