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The skateboard ramp in the picture is calles a quarter pipe. The curved surface is determined by the radius of a circle. Find the length of the curved part of the ramp.

(Use the formula \(S=\theta r\) where \(S\) is the arc length, \(\theta\) is the angle measured in radians, and \(r\) is the radius of the circle.)

AdamTaurus  Jan 16, 2018
 #1
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The length  is   just the quarter perimeter of a circle with a radius of  8 ft  =

 

S  =  r θ

 

 (8) * pi / 2    =

 

4 pi    ft

 

 

cool cool cool

CPhill  Jan 16, 2018

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