1. A cylinder and a cone are of equal height and equal base. The sum of their volumes is 12 cubic decimeters. The volume of the cylinder is () cubic decimeters, and that of the cone is () cubic decimeters 2. A cylindrical bucket without cover, with a bottom diameter of 6 decimeters and a height of 6 decimeters. The bucket should be made of at least () iron sheet. If each cubic decimeter weighs 1 kg, the bucket can hold at most () kg of water

1. (9) (3) 2. (141.3 square DM) (141.3)

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