# Find the Area of COD :

In trapezium ABCD, AB ll CD and AB=2CD. Its diagonals intersect at O. If the area of D AOB=84 cm^{2}, then the area of COD is equal to

- 72 cm
^{2} - 42 cm
^{2} - 26 cm
^{2 } - 21 cm
^{2}

In trapezium ABCD, AB ll CD and AB=2CD. Its diagonals intersect at O. If the area of D AOB=84 cm^{2}, then the area of COD is equal to

- 72 cm
^{2} - 42 cm
^{2} - 26 cm
^{2 } - 21 cm
^{2}