Answer:
A = 11 in²
Step-by-step explanation:
The volume (V) of a prism is calculated using the formula
V = area of base (A) × height
here V = 143 and height = 13, hence
143 = A × 11 = 11A ( divide both sides by 13 )
A = [tex]\frac{143}{13}[/tex] = 11 in²
