Answer:
119 ft²
Step-by-step explanation:
Volume of Triangular Prism = (area of triangle) × (height of prism)
= ([tex]\frac{1}{2}[/tex](base × height)) × (p)
= ([tex]\frac{1}{2}[/tex](7 × 4) × (8.5)
= ([tex]\frac{1}{2}[/tex](28) × (8.5)
= 14 × 8.5
= 119
