polyhedron
vertex
A plane vertex is a point where two lines meet or intersect. A point has no size so the adjectine "large" is irrelevant".
A point.
true
A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape., A solid figure contained by a plane rectilineal figure as base and several triangles which have a common vertex and whose bases are sides of the base., The game of pool in which the balls are placed in the form of a triangle at spot.
360 degrees
There two different shapes that have more than one vertex. One is a triangle it is a plane figure that has three straight sides and three angles and a quadrilateral which a four sided figure.
The line or plane upon which a geometric figure is thought of as resting is called the base. A three-dimensional figure with a circular base and the top meeting at a vertex; it resembles a funnel cone.
A pyramid has a single polygonal face as its base.
A heptagon has seven polygonal faces - sides that are plane.
trapezoid
A cone.