What is the formula for calculating the volume of a cylinder?
The formula to find the volume of a cylinder is ```π * r^2 * h```, where ```r``` is the cross-sectional radius and ```h``` is the height of the cylinder.
What is the formula for calculating the volume of a sphere?
The formula for calculating the volume of a sphere is 4/3 * π * r^3, where r is the radius of the sphere.