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WHYISAPANCAKEACIRCLE
Kelsey is making a paperweight as a birthday present for her dad. She cut a piece of wood in the shape of a rectangular prism. a. Find the surface area of the prism using the formula SA = 2LW + 2WH + 2LH. Be sure you show all your work. b. Suppose Kelsey wants to decorate the paperweight. What useful information does the surface area provide?
Surface area of the prism = 2(7*6) + 2(6*2) + 2(2*7) surface area = 2(42) + 2(12) + 2(14) surface area = 84 + 24 + 28 surface area = 136inches square The surface area tells her stuff like how much material she might need for decorating the prism etc or for painting it etc
Thanks a ton