An edge.
An edge is the the answer
Edge. (:
They meet at an edge
'Enneahedron' - a solid figure with nine faces
no that's a vertex a line segment is a straight line between two points that stop completely
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.