As shown in the figure, the two right angles of a right triangle paperboard are 4cm and 3cm long respectively. Now, take the right angle of 4cm long as the axis to rotate for a circle, and the volume of the three-dimensional figure is______ Cubic centimeter (results retain π)

As shown in the figure, the two right angles of a right triangle paperboard are 4cm and 3cm long respectively. Now, take the right angle of 4cm long as the axis to rotate for a circle, and the volume of the three-dimensional figure is______ Cubic centimeter (results retain π)

The volume of cone: 13 × π × 32 × 4 = 12 π (cubic centimeter); answer: the area of solid figure is 12 π cubic centimeter