document.write( "Question 282785: If four times the reciprocal of the circumference of a circle equals the diameter of the circle, then the area of the circle is:\r
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document.write( "a 1/π^2 b 1/π c 1 d π e π^2 \n" );
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Algebra.Com's Answer #205294 by Greenfinch(383)![]() ![]() You can put this solution on YOUR website! 4/pi x d = d then d^2 = 4/pi \n" ); document.write( "d = 2/sqrt pi \n" ); document.write( "so r = 1/sqrt pi \n" ); document.write( "Area of circle is pi x r^2 \n" ); document.write( "so area is pi/pi = 1 \n" ); document.write( "The answer is (c) \n" ); document.write( " |