18 lemmas found
A round plane figure whose boundary consists of points equidistant from a fixed center point.
A three-dimensional shape that tapers smoothly from a flat circular base to a point called the apex.
A three-dimensional solid object bounded by six square faces, with three meeting at each vertex.
A three-dimensional shape with straight parallel sides and circular ends of equal size.
A plane figure with six straight sides and six angles.
A plane figure with eight straight sides and eight angles.
A rounded, elongated shape resembling an egg or ellipse.
A plane figure with five straight sides and five angles.
A three-dimensional shape with a polygonal base and triangular faces that meet at a common point (apex).
A plane figure with four straight sides and four right angles, especially one with unequal adjacent sides.
A perfectly round three-dimensional shape; every point on its surface is equidistant from the center.
A plane figure with four equal straight sides and four right angles.
A plane figure with three straight sides and three angles.
the space between two lines or surfaces that meet at a point, measured in degrees.
a line that bends smoothly without sharp angles.
the outer boundary or sharp side of a surface or object.
the external form or outline of something.
A shape with multiple pointed extensions radiating from a center.