Skills Practice Workbook - Glencoe
Skills Practice Workbook - Glencoe Skills Practice Workbook - Glencoe
11–5 NAME DATE PERIOD Skills Practice Circumference of a Circle Find the circumference of each object to the nearest tenth. 1. a round swimming pool 2. a circular top of a 3. the circular base of a with radius 12 feet trampoline with paper weight with 75.4 ft diameter 16 feet diameter 3 centimeters 50.3 ft 9.4 cm 4. a CD with diameter 5. circular garden with 6. circular mirror with 11 centimeters radius 10 feet diameter 4 feet 34.6 cm 62.8 ft 12.6 ft Find the circumference of each circle to the nearest tenth. 7. r � 7 cm 8. d � 20 yd 9. r � 1 m 44.0 cm 62.8 yd 6.3 m 10. d � 6 ft 11. r � 200 ft 12. d � 5 in. 18.8 ft 1256.6 ft 15.7 in. 13. r � 2 m 14. d � 70 ft 15. r � 3 in. 12.6 m 219.9 ft 18.8 in. 16. d � 10 in. 17. r � 19 m 18. d � 35 yd 31.4 in. 119.4 m 110.0 yd Find the radius of each circle to the nearest tenth for each circumference given. 19. 100 m 15.9 m 20. 32 ft 5.1 ft 21. 18 mi 2.9 mi 22. 28 cm 23. 80 in. 24. 25 m 4.5 cm 12.7 in. 4.0 m 25. 75 yd 26. 14 cm 27. 250 ft 11.9 yd 2.2 cm 39.8 ft © Glencoe/McGraw-Hill 65 Geometry: Concepts and Applications
11–6 Area of a Circle NAME DATE PERIOD Skills Practice Find the area of each circle to the nearest hundredth. 1. r � 10 in. 2. r � 18 cm 3. r � 4 mm 314.16 in 2 1017.88 cm 2 50.27 mm 2 4. d � 50 ft 5. d � 6 in. 6. d � 30 m 1963.50 ft 2 28.27 in 2 706.86 m 2 7. C � 31.42 yd 8. C � 131.95 m 9. C � 232.48 ft 78.56 yd 2 1385.51 m 2 4300.92 ft 2 10. r � 1 mi 11. d � 90 m 12. C � 628.32 ft 3.14 mi 2 6361.73 m 2 31,416.07 ft 2 13. d � 300 ft 14. r � 6 in. 15. C � 150.80 m 70,685.83 ft 2 113.10 in 2 1809.64 m 2 A circle has a radius of 10 inches. Find the area of a sector whose central angle has the following measure. Round to the nearest hundredth. 16. 90° 17. 30° 18. 120° 78.54 in 2 26.18 in 2 104.72 in 2 19. 45° 20. 60° 21. 135° 39.27 in 2 52.36 in 2 117.81 in 2 22. 100° 23. 150° 24. 70° 87.27 in 2 130.90 in 2 61.09 in 2 © Glencoe/McGraw-Hill 66 Geometry: Concepts and Applications
- Page 19 and 20: 3-3 NAME DATE PERIOD Skills Practic
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- Page 23 and 24: 3-7 Perpendicular Lines NAME DATE P
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- Page 27 and 28: 4-4 Proving Lines Parallel Find x s
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- Page 31 and 32: 5-2 Angles of a Triangle Find the v
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- Page 37 and 38: 6-2 NAME DATE PERIOD Skills Practic
- Page 39 and 40: 6-4 Isosceles Triangles NAME DATE P
- Page 41 and 42: 6-6 Skills Practice The Pythagorean
- Page 43 and 44: 7-1 NAME DATE PERIOD Skills Practic
- Page 45 and 46: 7-3 NAME DATE PERIOD Skills Practic
- Page 47 and 48: 8-1 Quadrilaterals NAME DATE PERIOD
- Page 49 and 50: 8-3 NAME DATE PERIOD Skills Practic
- Page 51 and 52: 8-5 Trapezoids NAME DATE PERIOD Ski
- Page 53 and 54: 9-2 Similar Polygons Skills Practic
- Page 55 and 56: 9-4 Complete each proportion. Skill
- Page 57 and 58: 9-6 Skills Practice Complete each p
- Page 59 and 60: 10-1 Naming Polygons Identify each
- Page 61 and 62: 10-3 Areas of Polygons NAME _______
- Page 63 and 64: 10-5 24 in. 12 cm 18 cm 4 ft 2.5 cm
- Page 65 and 66: 10-7 Tessellations NAME ___________
- Page 67 and 68: 11-2 NAME DATE PERIOD Skills Practi
- Page 69: 11-4 Inscribed Polygons Use �O to
- Page 73 and 74: 12-2 Skills Practice Surface Areas
- Page 75 and 76: 12-4 NAME DATE PERIOD Skills Practi
- Page 77 and 78: 12-6 Spheres NAME DATE PERIOD Skill
- Page 79 and 80: 13-1 NAME DATE PERIOD Skills Practi
- Page 81 and 82: 13-3 Skills Practice 30°-60°-90°
- Page 83 and 84: 13-5 Skills Practice Sine and Cosin
- Page 85 and 86: 14-2 Skills Practice Tangents to a
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- Page 91 and 92: 15-2 Deductive Reasoning NAME DATE
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- Page 99 and 100: 16-4 Reflections NAME DATE PERIOD S
- Page 101: 16-6 Dilations Skills Practice Find
11–5<br />
NAME DATE PERIOD<br />
<strong>Skills</strong> <strong>Practice</strong><br />
Circumference of a Circle<br />
Find the circumference of each object to the nearest tenth.<br />
1. a round swimming pool 2. a circular top of a 3. the circular base of a<br />
with radius 12 feet trampoline with paper weight with<br />
75.4 ft diameter 16 feet diameter 3 centimeters<br />
50.3 ft 9.4 cm<br />
4. a CD with diameter 5. circular garden with 6. circular mirror with<br />
11 centimeters radius 10 feet diameter 4 feet<br />
34.6 cm 62.8 ft 12.6 ft<br />
Find the circumference of each circle to the nearest tenth.<br />
7. r � 7 cm 8. d � 20 yd 9. r � 1 m<br />
44.0 cm 62.8 yd 6.3 m<br />
10. d � 6 ft 11. r � 200 ft 12. d � 5 in.<br />
18.8 ft 1256.6 ft 15.7 in.<br />
13. r � 2 m 14. d � 70 ft 15. r � 3 in.<br />
12.6 m 219.9 ft 18.8 in.<br />
16. d � 10 in. 17. r � 19 m 18. d � 35 yd<br />
31.4 in. 119.4 m 110.0 yd<br />
Find the radius of each circle to the nearest tenth for each circumference given.<br />
19. 100 m<br />
15.9 m<br />
20. 32 ft<br />
5.1 ft<br />
21. 18 mi<br />
2.9 mi<br />
22. 28 cm 23. 80 in. 24. 25 m<br />
4.5 cm 12.7 in. 4.0 m<br />
25. 75 yd 26. 14 cm 27. 250 ft<br />
11.9 yd 2.2 cm 39.8 ft<br />
© <strong>Glencoe</strong>/McGraw-Hill 65 Geometry: Concepts and Applications