please find the attached problem. Need help to solve it.

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- March 26th 2008, 02:45 PMsri340help this geometry problem
please find the attached problem. Need help to solve it.

- March 26th 2008, 03:02 PMStone Cold
(b) Y/4

Imagine it like this...

http://img180.imageshack.us/img180/8233/ityn0.jpg

Here we can clearly see that 4BC makes up the perimeter of the square, Y.

So Y/4 = BC - March 26th 2008, 04:10 PMTing
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)