Geometry Vocabulary II Crossword

Twelve-sided polygon
Twelve-sided polyhedron
The line that separates the plane into two half-planes. The line is not part of either half-plane.
The intersection of adjacent faces of a polyhedron.
Another name for the origin of a ray; always named first in the notation; the arrow always points to the right.
A convex polygon in which all angles have the same degree measure.
A polygon in which all sides have the same length.
The complement of the union of the angle and its interior.
The set of all planar points whose distance from the center is greater than the length of the radius.
The union of the exteriors of its angles.
One of the polygonal regions that form the surface of the polyhedron
The set of all points on a line on a given side of a given side of a given point of the line.
A subset of a plane consisting of all points on a given side of a line in the plane.