Question

a cake has a radius of 4 inches and is 4 inches deep, what is the area of the cake?

Answer 1

The cake is shaped like a cylinder.
The area of each circular base is AC = (pi)r^2, where r is the radius of the base
The lateral area is AL = 2(pi)rh, where h is the height of the cylinder
The total surface area is SA = (pi)r^2 + (pi)r^2 + 2(pi)rh
( (pi)r^2 appears twice because of the two bases of a cylinder)
SA = 2(pi)r^2 + 2(pi)rh

Answer 2

Thank you!

Answer 3

wlcm