Which of the following describes a valid method for calculating the surface area of a triangular prism?
A) Decompose the triangular prism into 3 triangles and 2 rectangles. Find the sum of the area of all 5 shapes.
B) Decompose the triangular prism into 3 triangles and 2 rectangles. Find the sum of 3 times the area of one triangle and twice the area of one rectangle.
C) Decompose the triangular prism into 2 triangles and 3 rectangles. Find the sum of the area of all 5 shapes.
D) Decompose the triangular prism into 2 triangles and 3 rectangles. Find the sum of the area of 1 triangle and 3 times the area of one rectangle.