ABCD is a trapezium in which AB is paral...

ABCD is a trapezium in which AB is parallel to CD and AB = 4 (CD). The diagonals of the trapezium intersects at O. What is the ratio of area of triangle DCO to the area of the triangle ABO?

A

`1:4`

B

`1:2`

C

`1:8 `

D

`1:16`

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