Answer:
12 cm
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 altitude )
Here A = 84 and b = 14 , then
[tex]\frac{1}{2}[/tex] × 14 × h = 84
7h = 84 ( divide both sides by 7 )
h = 12
The altitude is 12 cm
