Answer:
The surface area = 576 m²
Step-by-step explanation:
∵ The surface area = perimeter of the base × height + 2 base area
∵ Base is a triangle
∴ Area Δ = 1/2 × 6 × 8 = 24 m²
∵ Perimeter Δ = 8 + 6 + 10 = 24 m
∵ Height = 22 m
∴ S.A = 24 × 22 + 2 × 24 = 528 + 48 = 576 m²
