In trapezium `ABCD`, `BC||AD` and `AD=4cm`. The two diagonals `AC` and `BD` intersect at the
Channel: Doubtnut
Date: 2020-05-09

In trapezium `ABCD`, `BC||AD` and `AD=4cm`. The two diagonals `AC` and `BD` intersect at the point `O` in such a way that `(AO)/(OC)=(DO)/(OB)=(1)/(2)`. Find the length of `BC`.