A cylinder has a volume of 500 ml and a minimum surface area. Calculate the dimensions of the cylinder’s radius and height.
A hemispherical is made of steel, 0.25cm thick. The inner radius of the bowl is 5 cm. find the outer curved surface area of the bowl and also find the total surface area and volume.
A certain right pyramid with a square base has the same numerical surface area as its volume. If it is also the only right pyramid with a square base to have that certain surface area and volume, what is its height?