Pyramid
pyramid
The description given fits to that of a pyramid
Polygonal Prism Actually, it is a polygonal pyramid. A polygonal prism would have two polygonal faces.
Triangular based pyramid
Pyramid
A polygonal pyramid.
pyramid
pyramid
A triangular based pyramid would seem to fit the given description
The description given fits to that of a pyramid
It is a pyramid
A triangular prism.
Four triangular faces.
A Triangular Prism
Polygonal Prism Actually, it is a polygonal pyramid. A polygonal prism would have two polygonal faces.
Triangular based pyramid