1. The volume of a cylinder is 216π cubic feet, and its height is 3 feet. what is the approximate radius of the cylinder, to the nearest tenth of a foot?
2. At Strawberry Ice Cream Shop, cones come in two sizes. Large cones are 12 cm high and 6 cm in diameter. Medium cones are 8 cm high and 4 cm in diameter. what is the difference in the volume of ice cream held in each cone? show your work.