In ΔPQR, the bisector of ∠P intersects vector QR in M. If PQ = 10, PR = 12, QM = 8, then QR = ____
(A) 9.6
(B) 17.6
(C) 10
(D) 18
Correct option (B) 17.6
Explanation:
QR = ?
Using angle bisector theorem