In Triangle ABC; angle A = 60 degree ,angle C = 40 and bisector of angle ABC meets side AC at point P. show that BP = CP.

We have

Apply angle sum property of triangle we get

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In triangle ABC

B=180-60-40

B=80

angleABP=anglePBC{given}

BP=CP{given}

PB=PC

thereforeanglePBC=anglePCB=40

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