N
o
Yes.
Yes because it has many faces which is the meaning of a polyhedron
A Triangular Pyramid
A three sided pyramid.
hexahedron ex:cube, triangular dipyramid, triangular deltohedron, pentagonal pyramid
It can be any type of pyramid.
It is a triangular based pyramid
Yes it is possible,a triangular pyramid or prism
Yes when in the form of a tetrahedron which is a triangular based pyramid
Yes and a triangular based pyramid is a tetrahedron
Tetrahedron - a pyramid with a triangular base.
This is a "trigonal pyramid" or "tetrahedron."