# Not enough areas!

Geometry Level 3

Let a trapezium $$ABCD$$ have parallel sides $$AB$$ and $$DC$$. Let the intersection of the interior diagonals $$AC$$ and $$BD$$ be $$O$$. It is known that the area of $$AOB$$ is 25 and the area of $$COD$$ is 121. What is the area of $$ABCD$$?

×

Problem Loading...

Note Loading...

Set Loading...