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Determine the arc length of a circle with radius 7.2 cm if it is subtended by a central angle of 5π/2 radians. Round your answer to one decimal place.

 Apr 21, 2022
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arc length  =   r * (theta in  radians)

 

So

 

arc length   =   7.2  ( 5pi /2)  =   36 pi / 2  =  18 pi ≈  56.5 cm

 

coolcool cool

 Apr 21, 2022

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