The net content of a bottle of soda is 1.2L If such a bottle of soda is poured into a small cylindrical cup with an inner bottom area of 20cm and a height of 12cm, it can fill (5) cups.

Cut the largest cone with a 6 cm long cube test block. The volume of this cone is (28.26) cubic centimeters.

Cylinders and cones have the same bottom and height. It is known that the volume of a cone is smaller than that of a cylinder 1.2 cm, and the sum of the volumes of the cylinder and the cone is (1.8).

Saw a 20 cm long cylindrical wood into three sections, each section is still cylindrical, and the surface area is increased by 0.25 cm 2. The original volume of this cylindrical wood is (1.25) cubic centimeters.

The master forged a cone with a 6 cm long cylindrical beam. It is known that the bottom area of the cone is twice that of the steel bucket, and the height of the cone is (3/4).