For a circle of radius r, an expression that relates the area of a sector to the arc length defined bythat sector is A=1/2rl where A is the area of the sector and / is the length of the arc. Explain why thisis true and provide an example.

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Answered: For a circle of radius r, an expression…

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter5: Trigonometric Functions: Right Triangle Approach

Section5.CR: Chapter Review

Problem 3CC

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For a circle of radius r, an expression that relates the area of a sector to the arc length defined by that sector is A=1/2rl where A is the area of the sector and / is the length of the arc. Explain why this is true and provide an example.