December 1, 2015

Homework Help: geometry

Posted by please help me out!!! please on Monday, February 11, 2013 at 10:53am.

Let O be the center of the circle Γ, and P be a point outside of circle Γ. PA is tangential to Γ at A, and PO intersects Γ at D. If PD=14 and PA=42, what is the radius of Γ.

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