Answer with explanation:
It is given that two chords AB and CD intersect at point E.
Also, A E= 10, E B=4 , CE=8
So, By Intersecting chord Theorem
⇒A E × E B = CE × E D
⇒10 × 4= 8 × ED
⇒ 40 =8× DE
Dividing both sides by , 8 we get
DE= 5 unit
Option: B, DE=5 unit