For Exercises 71-74, find the exact length of the arc intercepted by a central angle 0 on a circle of radius r. Then round to the nearest tenth of a unit. (See Example 7) 71. 0 = , r = 12 cm 3' 57 72. 0 = , r = 4 m 6 73. 0 = 135°, r = 10 in. 74. 0 = 315°, r = 2 yd

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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For Exercises 71-74, find the exact length of the arc intercepted by a central angle 0 on a circle of radius r. Then round to the
nearest tenth of a unit. (See Example 7)
71. 0 = , r = 12 cm
3'
57
72. 0 = , r = 4 m
6
73. 0 = 135°, r = 10 in.
74. 0 = 315°, r = 2 yd
Transcribed Image Text:For Exercises 71-74, find the exact length of the arc intercepted by a central angle 0 on a circle of radius r. Then round to the nearest tenth of a unit. (See Example 7) 71. 0 = , r = 12 cm 3' 57 72. 0 = , r = 4 m 6 73. 0 = 135°, r = 10 in. 74. 0 = 315°, r = 2 yd
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