Skills Practice Workbook - Glencoe

Skills Practice Workbook - Glencoe Skills Practice Workbook - Glencoe

24.02.2013 Views

12–5 NAME DATE PERIOD Skills Practice Volumes of Pyramids and Cones Find the volume of each solid. Round to the nearest hundredth, if necessary. 1. 2. 3. 3 in. 6 in 3 4712.39 cm 3 12,000 ft 3 4. 9 mm 5. 6. 2120.58 mm 3 80 yd 3 7.33 mi 3 7. 8. 9. 22 in. 3 in. 4 in. 2640 in 3 1407.43 ft 3 1680 cm 3 10. 11. 12. 66 in. 36 in. 25 mm 24 in. 15 in. 6 ft 41,054.33 in 3 24 ft 3 3.14 ft 3 6 yd 8 ft 3 ft 20 cm 15 cm © Glencoe/McGraw-Hill 71 Geometry: Concepts and Applications 21 ft 4 ft 8 yd 2 yd 14 cm 1 mi 40 ft 7 mi 3 cm 30 ft 24 cm 30 cm 2 cm

12–6 Spheres NAME DATE PERIOD Skills Practice Find the surface area and volume of each sphere. Round to the nearest hundredth. 1. 2. 3. 9 m 1017.88 m 2 ; 2827.43 in 2 ; 5026.55 ft 2 ; 3053.63 m 3 14,137.17 in 3 33,510.32 ft 3 4. 5. 6. 2 mi 70 km 2 in. 12.57 mi 2 ; 4.19 mi 3 61,575.22 km 2 ; 50.27 in 2 ; 33.51 in 3 1,436,755.04 km 3 7. 8. 9. 10 mm 1256.64 mm 2 ; 2463.01 ft 2 ; 31,415.93 mi 2 ; 4188.79 mm 3 11,494.04 ft 3 523,598.78 mi 3 10. 11. 12. 28 ft 15 in. 60 ft 6 cm 100 mi 11,309.73 ft 2 ; 452.39 cm 2 ; 502,654.82 m 2 ; 113,097.34 ft 3 904.78 cm 3 33,510,321.64 m 3 © Glencoe/McGraw-Hill 72 Geometry: Concepts and Applications 40 ft 400 m

12–6<br />

Spheres<br />

NAME DATE PERIOD<br />

<strong>Skills</strong> <strong>Practice</strong><br />

Find the surface area and volume of each sphere. Round to the nearest hundredth.<br />

1. 2. 3.<br />

9 m<br />

1017.88 m 2 ; 2827.43 in 2 ; 5026.55 ft 2 ;<br />

3053.63 m 3 14,137.17 in 3 33,510.32 ft 3<br />

4. 5. 6.<br />

2 mi 70 km 2 in.<br />

12.57 mi 2 ; 4.19 mi 3 61,575.22 km 2 ; 50.27 in 2 ; 33.51 in 3<br />

1,436,755.04 km 3<br />

7. 8. 9.<br />

10 mm<br />

1256.64 mm 2 ; 2463.01 ft 2 ; 31,415.93 mi 2 ;<br />

4188.79 mm 3 11,494.04 ft 3 523,598.78 mi 3<br />

10. 11. 12.<br />

28 ft<br />

15 in.<br />

60 ft 6 cm<br />

100 mi<br />

11,309.73 ft 2 ; 452.39 cm 2 ; 502,654.82 m 2 ;<br />

113,097.34 ft 3 904.78 cm 3 33,510,321.64 m 3<br />

© <strong>Glencoe</strong>/McGraw-Hill 72 Geometry: Concepts and Applications<br />

40 ft<br />

400 m

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