In the figure given below, B is the midpoint of PR. A is a point on PQ such that the line through AR bisects BQ at C. If AP is 30 cm, find the length of QA.
1
10 cm
2
21 cm
3
15 cm
4
14 cm
In the figure given below, B is the midpoint of PR. A is a point on PQ such that the line through AR bisects BQ at C. If AP is 30 cm, find the length of QA.