Which of the following describes a valid method for calculating the surface area of a triangular prism? (1 point)
• Decompose the triangular prism into three triangles and two rectangles. Find the sum of the area of all five shapes.
• Decompose the triangular prism into two triangles and three rectangles. Find the sum of the area of one triangle and three times the area of one rectangle.
• Decompose the triangular prism into two triangles and three rectangles. Find the sum of the area of all five shapes.
• Decompose the triangular prism into three triangles and two rectangles. Find the sum of three times the area of one triangle and twice the area of one rectangle.