Assertion: parabola | /r/HasProperty | formed
Facets:
value: by cutting a cone
type: MANNER
Source sentences:
text: If the plane slices the cone at the angle β and β=α, a parabola is formed.
text: In general, a parabola is formed when you graph a quadratic function.
text: A parabola is formed when a double-napped cone is cut by a plane that is parallel to the generator of the cone.
text: Since circles and parabolas are formed by cutting a cone at specific angles, all circles are identical in shape and all parabolas are identical in shape.