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MathsMia  Apr 24, 2017
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 #1
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+1

Area of semi-circle =

 

(1/2) * pi * (radius)^2  =

 

(1/2) * pi * (3 )^2    =  [ ( 9/2) pi ] cm^2

 

 

cool cool cool

CPhill  Apr 24, 2017

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