3-dimensional shapes made by extruding a polygon are called prisms.
In this instance it would be a triangular prism.
Such a figure is a pyramid.
It is a TETRAHEDRON . Incorrectly named a triagular pyramid.
'Enneahedron' - a solid figure with nine faces
A solid figure with twenty faces is called an Icosahedron.
were two or more faces of a solid figure
Hexahedron
Polygonal faces.
No.
A decaredra is the ten face solid figure.
A square is not a solid figure at all. It's a flat figure, with four congruent faces and four congruent angles.
EDGES
cone