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The diagram shows a circle of radius 1 contained in a square. If the area of the circle equals x% of the area of the square, then what is x rounded to the nearest integer?

 Aug 15, 2017
 #1
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Percentage of area of circle=(area of circle/area of square)*100%

so,(pi(1)^2/2*2)*100% =78.54%

 Aug 15, 2017
 #2
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And 78.54%  rounded to the nearest inetger =  79%

 

cool cool cool

 Aug 15, 2017

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