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Re: area of square [#permalink]
10 Feb 2012, 06:41
Took me 10 mins... but I got it... Surprising it wasn't super difficult. Since C is the center of the Circle, the length of GC = 8. Since AEFG touches the circle with it's corner, we know the angle of GC is 45%. When you spilt a square in half diagonally it's going to be 45 degrees. If the angle GC is 45% you know the triangle form with would be a 1:1:root(2). Since GC is the hypotenuse the other 2 will be 8/root(2). The length of FG = 10 (height of the square) - 8/root(2) (height of the triangle). [10-8/root(2)]^2 = 32 (3-2*root(2)).
Answer is B. Hard to explain without a graph and too lazy to make one. Sorry
Re: In the figure above, square AFGE is inside square ABCD such [#permalink]
15 Jul 2014, 13:13
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