In trapezium ABCD, `AB || DC` and L is the mid-point of BC. Through L, a line `PQ || AD` has been
Channel: Doubtnut
Date: 2020-01-19

In trapezium ABCD, `AB || DC` and L is the mid-point of BC. Through L, a line `PQ || AD` has been drawn which meets AB in P and DC produced in Q. Prove that ar (ABCD) = ar (APQD).