2. The volume of the cylinder is 8 cubic decimeters, the bottom area is 2 square decimeters and the height is (4 decimeters); The volume of the cone is 8 cubic decimeters, the bottom area is 2 square decimeters and the height is (12 decimeters).
One right side of a right triangle is 4cm, the volume of the cone is 50.24cm, the bottom area of the cone is (50.24cm), the height is (3) cm, and the area of the right triangle is (6 cm2).