if you need to make 13 double layer wedding cakes, what is the equation for the total surface area of the thirteen double layer circular cake, if the radius is 5 and the total height for the double layer is 3.75 inches?

Question

anonymous · Answer

A cake is cylindrical, so you need to use the formula for the TSA of a cylinder.

anonymous · Answer

$$n(\pi d h) + 2(\pi r²) $$

n times the area of the "sides" of the cakes, and the area of the top and bottom.