Answered: If e is the radian measure of a central…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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If Is the radian measure of a central angle of a circle and r is the radius of the circle, which is the correct derivation of the area, A, of the sector bounded by the sides of the central angle and the arc it subtends?

If e is the radian measure of a central angle of a circle
, So A = Or
2nr
Or2
So A =
2
%3D
2n
2nr
, SO A =
360°
180°
360°
SO A =
360°

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