V (round) = π(r^2)h
V Rectangular = 6*9*2
A (round-bottom) = 2πrh + πr^2
A (rect.-bottom) = 6*9 + 2*2*9 + 2*2*6
When baking a cake, you have a choice of the following pans: a round cake pan that is 2 inches deep and has a 7 inch diameter.
a 6 inch x9 inch rectangular cake pan that is 2 inches deep.
A. which of these pans has the larger value? Justify your answer.
B. Excluding the bottom of the cake, what is the surface area of each cake that will be covered by frosting? Justify your answer.
1 answer