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In a circle with a radius of 12.6 ft, an arc is intercepted by a central angle of 2π7 radians. What is the arc length? Use 3.14 for π and round your final answer to the nearest hundredth. Enter your answer as a decimal in the box. ft

Guest Mar 16, 2017
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Circumference = pi x d  =  pi x 12.6(2) = 25.2 pi

 

Fraction of circumference of the central angle arc

 

2pi/7  / 2pi

 

2pi/7  /  2pi   x 25.2 pi = 1/7 * 25.2 pi = 11.30 ft

ElectricPavlov  Mar 16, 2017

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