13. Five marks exercise problems V

In the given figure, if $AB = 2$, $BC = 6$, $AE = 6$, $BF = 8$, $CE = 7$, and $CF = 7$. Compute the ratio of the area of quadrilateral $ABDE$ to the area of $\Delta CDF$. (Use congruent property of triangles).

 

 

Ratio $=$ $:$