Q. In two triangles $A B C$ and $D E F, \angle A=\angle D$. The sum of the angles $A$ and $B$ is equal to the sum of the angles $D$ and $E$. If $B C=6 cm$ and $E F=8 cm$, find the ratio of the areas of the triangles, $A B C$ and $D E F$.
Geometry
Solution: