It is called the base.
vertex
All these shapes have a vertex opposite its base.
A regular pyramid has a regular polygon base and a vertex over the center of the base. By:Cherrylvr :)
A triangular pyramid has three lines of symmetry. Each of these lines connects a vertex of the base to the midpoint of the opposite edge on the base.
pyramid and coneIn the list given, only the cone and pyramid have a vertex.
Yes. This vertex is also known as the apex.
regular pyramid
Regular Polygon...
vertex
4 For a pyramid with a triangle base- 4 vertices (plural of vertex) For a pyramid with a square base- 5 vertices
.-----------------A-------------------------------/\------------------------------/--\----------------------------/----\--------------------------/------\------------------------/--------\----------------------/_______\-------------------B-------------C-------The vertex of a triangle is:The point on a triangle or pyramid opposite to and farthest away from its base.So A is the vertex of this triangle.