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Summary
DescriptionCylinder - hyperboloid - cone.gif
English: Here we have points on two circles, connected with straight lines. Rotating the lower circle, we get hyperboloid of one sheet and then a cone. t is the angle by which we rotate the lower circle. Such models can be seen in some museums. Equations are:
Русский: Имеем точки на двух окружностях. Вращая нижнюю на угол t мы от цилиндра переходим к однополостному гиперболоиду, а затем — к конусу. Подобные модели можно видеть в некоторых музеях. Уравнения соответствующих поверхностей:
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