
In a tirangle ABC,D and E are points on the sides AB and AC of the triangle ABC,such that DE is parallel to BC. If area of ADE and triangle ODE are 3 and 1, respectively. Find the area of triangle ABC.
In a tirangle ABC,D and E are points on the sides AB and AC of the triangle ABC,such that DE is parallel to BC. If area of ADE and triangle ODE are 3 and 1, respectively. Find the area of triangle ABC.




