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