Cones

Find the surface area and volume of the right cone. Round your answer to the nearest hundredth.

Find the surface area and volume of a right cone that has a radius of 9 inches and a height of 12 inches. Round your answer to the nearest hundredth.

Find the height, slant height and volume of a cone with a radius of 3 cm at the base and a surface area of 75.4 cubic centimeters. Round your answers to the nearest whole number.

This is a general diagram of one type of a grain silo. The cone shaped sections, in this case, would each be 3 feet tall and 12 feet wide. The cylinder section is an additional 6 feet tall. How many cubic feet of grain could it hold? How much steel was used to build the container portion?