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A circle has a radius of 48 milimeters.

What is the central angle in radians, that intercepts an arc of length 36π milimeters?

 Nov 27, 2018
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Circumference = pi * 2r      The fraction of the total circumference will be   36pi/(pi*2r)

2 pi radians in complete circle

 

36 pi /(pi *2r)   * 2 pi = 3pi/4 Radians

 Nov 27, 2018

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