Answer:
23.3cm
Step by step:
Tri;APQ~Tri;ABC(A.A.A)
AP/AB=AQ/AC=PQ/BC
AP/AP+BP=AQ/AQ+QC
3/3+AQ=AQ/AQ+49/3
3AQ+49=3AQ+AQ^2
AQ^2=49
AQ=7
#AC=AQ+QC
=7+(49/3)
=23.333
(Thu Zar You should give me brainlist)
