The diameter of the bottom of a cylinder is 2 decimeters, and the side expansion is just a square. The volume of the cylinder is () cubic decimeters

Height = bottom perimeter = 2 * 3.14 = 6.28 decimeters
Bottom area = 3.14 * (2 / 2) ^ 2 = 3.14 square decimeter
Volume = bottom area * height = 3.14 * 6.28 = 19.7192 (cubic decimeter)

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