A decaredra is the ten face solid figure.
cone
A polyhedron.
pyramid
A polyhedron
It is called a Nonagon.
A solid figure with twenty faces is called an Icosahedron.
were two or more faces of a solid figure
triangular prism
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.
a sphere
EDGES
cone