# ABCD is a trapezium whose BC parallel AD and AD = 4 cm. Diagonals AC and BD are intersected at O in such way that #[AO]/[OC] = [DO]/[OB] = 1/2#, then what is the length of BC?

##### 1 Answer

Dec 25, 2016

#### Explanation:

Given

Let

Let

Let

Let

Hence,