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What is the area of a sector with a central angle of 5π7 radians and a diameter of 5.6 in.?

Use 3.14 for π and round your final answer to the nearest hundredth.

 Apr 5, 2018
 #1
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What is the central angle? 5pi, 7pi, 35pi?

 Apr 5, 2018
 #2
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The central angle is 5pi over 7

oscar.a1551  Apr 5, 2018
edited by oscar.a1551  Apr 5, 2018
 #3
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Area of a sector = 1/2 x r^2 x Θ(in radians)

A =1/2 x (5.6/2)^2 x (5pi/7)

A = 19.6pi / 7

A =8.79 inches^2

 Apr 5, 2018

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