Let AI intersect the circle at D

Since, angle BAD=angle CAD

the arce BD and CD are equal

which implies chords BD and CD are equal.

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- September 30th 2009, 08:46 AM #1

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## Please help with this one...

I is the incenter o a triangle ABC. P is the point of intersection of angle bisector AI of the angle A and the circumcircle of the triangle other than A. Prove that PB=PC=PI

- October 1st 2009, 03:29 AM #2

- October 1st 2009, 03:55 AM #3

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- October 1st 2009, 03:59 AM #4