Question

In the diagram, BC⎯⎯⎯⎯⎯∥DE⎯⎯⎯⎯⎯ .

What is AE ?

Answer 1

Here, we need to apply Proportionality Theorem, as the lines are parallel.
It says: AD/DB = AE/EC
6 / 1 = AE / 3
AE = 6 * 3
AE = 18

In short, Your Answer would be 18

Hope this helps!