Geometry Summer Crossword

2. An example used to prove that an if-then statement is false.
3. A line that intersects two or more coplanar lines in different points.
5. A segment whose endpoints lie on a circle.
6. A polygon that is both equiangular and equilateral.
7. A chord that contains the center of the circle.
9. A kind of reasoning in which the conclusion is based on several past observations.
11. A 10-sided polygon.
13. A 4-sided polygon.
14. The set of all points.
15. A statement that can be proved.
16. The set of points in a plane that are a given distance from a given point in the plane.
18. A statement that is accepted without proof.

1. A triangle with all sides congruent.
2. Circles that lie in the same plane and have the same center.
4. The perpendicular segment from a vertex to the line containing the opposite side.
8. Two angles whose sides form two pairs of opposite rays.
10. A line that contains a chord.
12. Two angles in a plane that have a common vertex and a common side but no common interior points.
17. Proving statements by reasoning from accepted postulates, definitions, theorems, and given information.
19. A figure formed by two rays that have the same endpoint.