Geometry Summer work

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Across
  1. 4. An 8-sided polygon.
  2. 5. A figure formed by two rays that have the same endpoint.
  3. 6. A segment from a to the midpoint of the opposite side.
  4. 7. The ray that divides the angle into two congruent adjacent angles.
  5. 9. A line, segment, ray, or plane that intersect the segment at its midpoint.
  6. 10. A chord that contains the center of a circle.
  7. 15. A quadrilateral with four right angles.
  8. 16. A 5-sided polygon.
  9. 17. A segment whose endpoints lie on a circle.
  10. 19. Two points on the line and all points between them.
  11. 20. An angle with measure between 90 and 180.
Down
  1. 1. The set of all points.
  2. 2. An angle with measure 90.
  3. 3. An example used to prove that an if-then statement is false.
  4. 8. The figure formed by three segments joining three non-collinear points.
  5. 11. A 10-sided polygon.
  6. 12. A angle with measure between 0 and 90.
  7. 13. A segment joining two non-consecutive vertices to a polygon.
  8. 14. A statement that is accepted without proof.
  9. 18. A quadrilateral with four congruent sides.