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307.7514=3.14*r^2

 Jan 9, 2016
 #1
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+5

I assume you want to solve for r....if so....

 

307.7514=3.14*r^2      divide both sides by 3.14

 

307.7514 / 3.14  =  r^2        take the square root of each  side

 

r = 9.9

 

 

 

cool cool cool

 Jan 9, 2016

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