Answer:
A = 18 cm²
Explanation:
The volume (V) of a prism is calculated as
V = area of base (A) × height
Here V = 216 cm³ and h = 12 cm , then
A × 12 = 216 ( divide both sides by 12 )
A = 18 cm² ← area of base
1.6m questions
2.0m answers