Answer:
D
Step-by-step explanation:
The area of the triangle is found using
A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the height )
here b = 10 units and h = 8 units, hence
A = [tex]\frac{1}{2}[/tex] × 10 × 8 = 40 units² → D
