A Triangular Prism
Triangular Prism
A Rectangular Pyramid.
pyramid
A cube is a solid figure called a polyhedron. A polyhedron is a solid figure with all flat faces. So a cone would be a solid figure but not a polyhedron becasue it has a curve and does not have all flat faces.
Pyramid
pyramid
pyramid
a polygonal prism or a polygond
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.
A Triangular Prism
Four triangular faces.
Polygonal Prism Actually, it is a polygonal pyramid. A polygonal prism would have two polygonal faces.
Triangular based pyramid