please find the attached problem. Need help to solve it.
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Imagine it like this...
Here we can clearly see that 4BC makes up the perimeter of the square, Y.
So Y/4 = BC
Last edited by Stone Cold; March 26th 2008 at 02:29 PM.
Consider the unit circle, it's area is pi.
The shaded area would be (1/2) 1 x 1, which is 1/2.
The fraction shaded is:
(1/2)/pi = (1/2) x (1/pi) = 1/(2pi)
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