Answer:
4 in²
Explanation:
A triangular prism is a polyhedron made of a triangular base, a copy of the base at the top, and 3 rectangular/square faces joining corresponding sides.
The area of each of the triangle = (1/2) * base * height = (1/2) * 1 in * 1 in = 1/2 in²
Area of each of the square faces = length * breadth = 1 in * 1 in = 1 in²
The surface area of the prism = (2 * area of each triangle) + (3 area of each square face)
The surface area of the prism = (2 * 1/2 in²) + (3 * 1 in²) = 1 in² + 3 in² = 4 in²