math
posted by Anonymous on .
find the smallest rectangular area of wrapping paper that can be used to wrap a present that is 22 inches by 20 inches by 10 inches. The paper cannot be cut.

As = 2(L*W) + 2(L*h) + 2(W*h)
As = 2(22*20) + (2(22*10) + 2(20*10) = Surface area.