Illustration of a plane parallel to the base passing through a cone (section made is a circle).
Illustration of a plane parallel to the base passing through a cone (section made is a circle).
Illustration of a plane passing through the vertex of a cone (section made is a triangle).
Illustration of a plane passing through the vertex of a cone (section made is a triangle).
Illustration of a plane passing through a cylinder. Every section of a cylinder made by a plane passing…
Illustration of a plane passing through a cylinder. Every section of a cylinder made by a plane passing…
"Every section of a sphere made by a plane is a circle."