Answer:
Total surface area of the tent that is in a shape like a triangular prism
= 255ft²
Step-by-step explanation:
Find the surface area of the triangles.
height = 5ft, base = 5ft
2 Triangles = 5 × 5 ÷ 2 × 2 = 25ft²
Now for the base.
height = 10ft, base = 5ft
base of triangular prism = 10ft × 5ft = 50ft²
And then, the last 2 rectangles.
height = 10ft, base = 9ft
2 Rectangles = 10ft × 9ft × 2 = 180ft²
Lastly, we add all these up.
25ft² + 50ft² + 180ft²
= 255ft²
