Prove it's perpendicular
- Raiyan Jamil
- Posts:138
- Joined:Fri Mar 29, 2013 3:49 pm
Let one of the intersections of two circles with centres $O1$ and $O2$ be $P$. A common tangent touches the circles at $A$,$B$ respectively.Let perpendicular from $A$ to $BP$ meet $O1O2$ at $C$. Prove that $AP$ is perpendicular to $PC$.
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Re: Prove it's perpendicular
"Questions we can't answer are far better than answers we can't question"