Consider the 6-in by 9 inch rectangular cake that is two inches deep if you cover the cake with frosting excluding the bottom what is the surface area of the cake that will be covered with frosting
2 answers
The surface area of the four sides of the cake that need frosting is 2(6 x 2) + 2(9 x 2) = 12 + 36 = 48 square inches.
you forgot about the top!
1 answer