Question

20. Consider the 6 inch x 9 inch rectangular cake that is 2 inches deep. If you cover the cake with frositing excluding the bottom what is the surface area of the cake that will be covered with frosting?

Answer 1

Total area of the ends: 2(2")(6") = 24 in^2

Total area of the sides: 2(2")(9") = 36 in^2

Are of the bottom : 1(6")(9") = 54 in^2

Total surface area to be covered = (24+36+54) in^2