Every Point on the Bisector of an Angle Is Equidistant from the Sides of the Angle.
In the follow...
Question
In the following figure, in △PQR,segRS is the bisector of ∠PRQ,PS=4,SQ=10,PR=12. Find QR.
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Solution
Given: RS is the bisector of ∠PRQ. PS=4,SQ=10,PR=12 To find: QR=? In PRQ,RS is the bisector of ∠PRQ. By the property of angle bisector of a triangle. PRQR=PSSQ 12QR=410 QR=12×104=30.