The bisector of angle A and angle B of triangle ABC meet at P and PQ,PR are parallel to AC and BC. The perimeter of triangle PQR is 30cm. What is the length of AB.

The bisector of angle A and angle B of triangle ABC meet at P and PQ,P

1.	The bisector of angle A and angle B of triangle ABC meet at P and PQ,PR are parallel to AC and BC. The perimeter of triangle PQR is 30cm. What is the length of AB.
Answer» The bisector of angle A and angle B of triangle ABC meet at P and PQ,PR are parallel to AC and BC. The perimeter of triangle PQR is 30cm. What is the length of AB.