Answer:

Explanation:
Given : AD=4
DB=6
AE=3.2
EC=4.8
AB=10
AC=8
Solution :
Theorem :A transversal that is parallel to one of the sides in a triangle divides the other two sides proportionally.
So,



Reduce the fraction both sides by dividing both the fractions with common factor respectively.

Thus ans in boxes will be

This verify that BC ∥ DE.