Geometry Crossword

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Across
  1. 5. A statement that can be proved.
  2. 7. An angle with measure between 0 and 90.
  3. 8. A quadrilateral with four right angles.
  4. 11. A statement that is accepted without proof.
  5. 14. A 4-sided polygon.
  6. 17. Two lines that intersect to form right angles.
  7. 19. A 10-sided polygon.
  8. 20. Two angles in a plane that have a common vertex and a common side but no common interior points.
Down
  1. 1. The figure formed by three segments joining three non-collinear points.
  2. 2. The perpendicular segment from a vertex to the line containing the opposite side.
  3. 3. A quadrilateral with four right angles and four congruent sides.
  4. 4. A chord that contains the center of a circle.
  5. 6. An 8-sided polygon.
  6. 9. The set of points in a plane that are a given distance from a given point in the plane.
  7. 10. A segment joining two non-consecutive vertices of a polygon.
  8. 12. Lines that are not coplanar.
  9. 13. A 5-sided polygon.
  10. 15. A figure formed by two rays that have the same endpoint.
  11. 16. The set of all points.
  12. 18. A quadrilateral with four congruent sides.