+++ wrote:NuclearSilo wrote:pff, piece of cake. Just apply the formula
Do you see a formula there?
he means general formulas to calculate a circle's surface, which is r² * pi
then to calculate the cylinder in total u have to do r² * pi * height
so (1/2x)² * pi * 6x = 3/2x³ * pi, so the correct answer isn't there? lolwut?
