in ΔPQR, the bisector PM of angle P is perpendicular to side QR show that PQ=PR
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By angle bisector theorem,
PM is perpendicular to angle P and bisect QR in two equal parts means M is the midpoint of seg QR.
Therefore QM=MR and by Pythagoras theorm and isoceles triangle theorm PQ= PR
PM is perpendicular to angle P and bisect QR in two equal parts means M is the midpoint of seg QR.
Therefore QM=MR and by Pythagoras theorm and isoceles triangle theorm PQ= PR
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