The points of intersection of the edges of a polyhedron is called its _________.
True
False
Base
Edges
In a polyhedron, ______ are the intersection of more than two edges.
The points of intersection of the edges of a 3 dimensional solid are called its ____ .
If a polyhedron has 10 vertices and 7 faces, find the number of edges in it.
The point of intersection of the three medians of a triangle is called its _______