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http://prntscr.com/msmw5g

 Mar 3, 2019
 #1
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+2

Area of a semi-circle  =  (1/2)pi *(radius)^2.....so ...

 

(1/2) (3.142) * (8.2)^2 =  

 

105.6 cm^2

 

 

cool cool cool

 Mar 3, 2019

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