Ellipse and curve!
apex
Circles, parabolas, ellipses, and hyperbolas are all conic sections. Out of these conic sections, the circle and ellipse are the ones which define a closed curve.
An ellipse is a conic section which is a closed curve. A circle is a special case of an ellipse.
The question is incomplete, because "the following" was not provided. A circle, however, is a conic section where the sectioning plane is perpendicular to the cone's axis of symmetry and intersects each generator or, more specifically, if it is not a right circular cone, parallel to the generating circle of the cone.
Ellipse circle
The types of conic sections are circles, parabolas, hyperbolas, and ellipses.
The conic sections of a building are the parts that take a conic shaped design some examples would be the Berlin Reichstag Dome and the Sony Center in Berlin.
circle and ellipse are closed curved conic section!, from bilal , Pakistan
The only thing I can think of is a lobbed shot at the basket will approximately follow the path of a parabola, which is one of the conic sections.
Aerospace engineer\
math and conic sections
cause they are awsome
Circles, ellipses, parabolas, and hyperbolas are called conic sections because they can be obtained as a intersection of a plane with a double- napped circular cone. If the plane passes through vertex of the double-napped cone, then the intersection is a point, a pair of straight lines or a single line. These are called degenerate conic sections. Because they are sections of a cone or a cone shaped object.