In the trapezium ABCD, `AB"||"CD` and two points P and Q are on the sides AD and BC respectively in
Channel: Doubtnut
Date: 2020-05-09

In the trapezium ABCD, `AB"||"CD` and two points P and Q are on the sides AD and BC respectively in such a way that `PQ"||"DC`. If `PD=18cm`, BQ =35 cm, QC = 15 cm, then  the length of AP will be