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A triangular prism has two parallel triangular faces (bases) connected by three rectangular faces. Volume = base area × length; Surface area = perimeter × length + 2 × base area. It appears in architecture, optics, and packaging.

Hướng dẫn từng bước

1. 1V = (1/2 × b × h_triangle) × L (where L = prism length)
2. 2SA = (b + s₁ + s₂) × L + 2 × (1/2 × b × h_triangle)
3. 3For right triangular prism with sides a, b, c and length L:
4. 4SA = (a + b + c) × L + base area × 2

Ví dụ có lời giải