vertex vertex
were two or more faces of a solid figure
an edge.
They meet at an edge
a pyramid
edge.
A solid figure with five faces is called a pyramid. Specifically, a triangular pyramid, or tetrahedron, has four triangular faces, while a square pyramid has one square base and four triangular faces, totaling five. The pyramid's faces meet at a single point called the apex.
An edge.
edge
The edge is a line - straight or curved - where two faces of the solid meet.
Edge. (:
An edge is the the answer
pyramid