Theorem: If two chords intersect within a circle, then the product of the lengths of the segments (parts) of one chord is equal to the product of the lengths of the segments of the other chord.
In your case,

If AE = 6, EB = 3, and DE = 2, then

Answer: correct choice is D.
Answer: The first one: 2 square roots of 3
Step-by-step explanation:
4/2 would give you the base= 2
2x the square root of 3 would give you the height, or altitude.
2 square roots of 3