kindly expalin to me how to do the qn. thanks a lot

Last edited by helloying; Sep 6th 2009 at 01:53 AM. Reason: attached the qn

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Originally Posted by helloying kindly expalin to me how to do the qn. thanks a lot What question?? CB

Originally Posted by helloying kindly expalin to me how to do the qn. thanks a lot HI First notice that OC=18 , OB=18 , BP=14 Let P be the most left point . Now , T is a tangent to the circle , so angle PTO is 90 degrees . sin angle TOP = 18/32 Calculate angle TOP , then since PC is a straight line , so angle TOC = pi - angle TOP