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Find the area of a circle with a circumference of 11pi feet??

 Mar 27, 2019
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Circumference  =   2 pi * radius

 

11 pi  = 2 pi (radius)         [   divide out pi    ]

 

11 = 2 * radius                 [ divide  both sides  by  2

 

11/2  = radius  =    5.5

 

Area of  circle  =

 

pi * (radius)^2  =

 

pi (5.5)^ 2  =

 

[ 30.25 pi ]   ft^2   ≈  [ 95.03  ]  ft^2  

 

 

 

cool cool cool

 Mar 27, 2019

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