a shape with a circular base and smooth curved sides ending in a point at the top

a  closed, curved line, every point of which is the same distance from a point within, called the centre

a shape that has three straight sides and three angles

a figure that has six equal, square faces

a solid having triangular sides meeting at a point and the base with equal sides

a shape with four straight sides and four right angles; two of the sides are usually longer than the other two