I need help its confusing and i need it fast thank you

Answer:
Hey dude!
The answer is
area of triangle AED= [tex]\frac{1}{2}[/tex] AE x DE
How I got this answer:-
Area of a triangle is [tex]\frac{1}{2}[/tex] base x altitude.
Here, the base of the triangle is DE
And its altitude is AE
Hence, the area would be:-
[tex]\frac{1}{2}[/tex] AE x DE