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Directions: Cut out the definitions. Find the vocabulary term that matches each definition given. 1. The point on a segment exactly halfway between the endpoints of the segment. 2. A measure of the amount of space enclosed by a three-dimensional figure. 3. Points that lie in the same plane. 4. The common endpoint of an angle. 5. Having the same measure. 6. A segment, line, or plane that intersects a segment at its midpoint. 7. Points that lie on the same line. 8. 9. A ray that divides an angle into two congruent angles. 10. Lines that form right angles. 11. The intersection of two non collinear rays at a common endpoint. The rays are called sides and the common endpoint is called the vertex. 12. The sum of the lengths of the sides of a polygon. CHAPTER 1 A closed figure formed by a finite number of coplanar segments called sides such that the following conditions are met: 1.The sides that have a common endpoint are noncollinear. 2.Each side intersects exactly two other sides, but only at their endpoints, called vertices.