Answer:
A
Step-by-step explanation:
The area (A) of a triangle is calculated as
A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the perpendicular height )
Here A = 16, b = AB = 8 and h = MN , then
[tex]\frac{1}{2}[/tex] × 8 × MN = 16
4 × MN = 16 ( divide both sides by 4 )
MN = 4 cm → A
