Consider an arc on a circle of radius r intercepted by a central angle 0. r = 12 feet, 0 = 45°

Algebra and Trigonometry (MindTap Course List)
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Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter5: Trigonometric Functions: Right Triangle Approach
Section5.CR: Chapter Review
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Consider an arc on a circle of radius r intercepted by a central angle 0.
r = 12 feet, 0 = 45°
Convert 45° to exact radian measure.
45° =
4
rad
Find the exact length (in ft) of the arc.
ft
Give a decimal approximation for the length (in ft) of the arc. (Round your answer to two decimal places.)
ft
Transcribed Image Text:Consider an arc on a circle of radius r intercepted by a central angle 0. r = 12 feet, 0 = 45° Convert 45° to exact radian measure. 45° = 4 rad Find the exact length (in ft) of the arc. ft Give a decimal approximation for the length (in ft) of the arc. (Round your answer to two decimal places.) ft
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