Tetrahedron
Triangular pyramid.
A triangular based pyramid
6
Vertices (singular vertex) are the corners.
A pyramid BK
pyramid
A tetrahedron, otherwise known as a triangular pyramid, has four faces, four vertices and six edges.
Tetrahedron
Triangular pyramid.
A triangular based pyramid
A tetrahedron or triangular-based pyramid has four faces, six edges, and four vertices.
There is no limit to the number of vertices that a solid can have.There is no limit to the number of vertices that a solid can have.There is no limit to the number of vertices that a solid can have.There is no limit to the number of vertices that a solid can have.
A rectangular pyramid (four-sided base) has 5 faces and 5 vertices.
Trapezium, or triangular pyramid * * * * * A triangular pyramid, yes. But not a trapezium since that does not have four triangular faces.
6
8 vertices