W3-S1 Areas of Surfaces of Revolution and the Theorem of Pappus
周次: 3 日期: March 9, 2022 节次: 1 A curve sweeps out a surface in the space around is called a surface of revolution. The “area” of this surface depends on the length of the rope and the distance of each of its segments from the axis of revolution. In this section, we calculate the area of surface of...