What would the formula for this problem look like?

Question

If a rectangular prism with a top, a bottom, and 4 sides is W feet wide, L feet long, and h feet tall, then what is the surface area of the prism? what would the formal for this problem look like?

Answer 1

SA=surface area

the opposite faces of a rectangular prism are congruent and therefore have the same area

SA=2LW+2WH+2LH feet