SOLUTION: The dimensions of the rectangular prisms are height = 7 feet, width = 4 feet, and length = 3 feet. What is the surface area of the rectangular prism excluding the bottom?

Algebra ->  Surface-area -> SOLUTION: The dimensions of the rectangular prisms are height = 7 feet, width = 4 feet, and length = 3 feet. What is the surface area of the rectangular prism excluding the bottom?      Log On


   



Question 846223: The dimensions of the rectangular prisms are height = 7 feet, width = 4 feet, and length = 3 feet. What is the surface area of the rectangular prism excluding the bottom?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,

Surface = 2lw + 2lh + 2wh
Excluding the bottom...
Surface = lw + 2lh + 2wh = 3ft%2A7ft+%2B+2%2A+3ft%2A7ft+%2B+2%2A4ft%2A7ft
= 21ft^2 + 42ft^2 + 56ft^2 = 119 ft^2