In triangle PQR seg PS is bisector of angle QPR. QS =6cm, SR=8 CM, PQ = 15cm find PR plz answer quickly
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By theorem of bisector of am angle of a triangle, PR/PQ = SR/QS
PR/15 = 8/6
6PR = 15x8
6PR = 120
PR = 120/6
PR = 20cm
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