Use the formula s equals 2 times one-half times b h plus h w plus s w plus b w to find the surface area of a triangular prism with the following dimensions: base = 3 ft height = 2 ft width = 5 ft side = 4 ft a. s equals 48 square feet b. s equals 51 square feet c. s equals 61 square feet d. s equals 102 square feet