Answer:
h = 6 cm
Step-by-step explanation:
The volume (V) of a pyramid is calculated as
V = [tex]\frac{1}{3}[/tex] Ah ( A is the area of base and h the height )
Here A = 3 × 2 = 6 cm² and V = 12 , thus
[tex]\frac{1}{3}[/tex] × 6 × h = 12, that is
2h = 12 ( divide both sides by 2 )
h = 6 cm
