Answer:
A
Explanation:
The area (A) of a triangle is calculated as
A = bh ( b is the base and h the perpendicular height )
Here A = 16, b = AB = 8 and h = MN , then
× 8 × MN = 16
4 × MN = 16 ( divide both sides by 4 )
MN = 4 cm → A
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