Assertion: cone's base | /r/HasProperty | circle
Facets:
Source sentences:
text: In common usage in elementary geometry, cones are assumed to be right circular, where circular means that the base is a circle and right means that the axis passes through the centre of the base at right angles to its plane.
text: More correctly this should be described as a 'right circular-based cone' because the base is a circle (it could be some other shape) and because the apex is on the right-perpendicular above the centre of that circle.
text: The base of the cylinder is a circle and the top of the cylinder is also a circle.
text: The base of the cylinder is a circle and the top of the cylinder is also a circle.