geometry crossword

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Across
  1. 1. Inferences based on an observation.
  2. 3. A set of points on a line are ___.
  3. 4. An accepted fact used in a proof.
  4. 9. A midpoint or ___ bisects a segment.
  5. 11. A ___ bisects a segment.
  6. 13. A midpoint or ___ bisects a angle.
  7. 14. An angle greater than 90 degrees.
  8. 16. Inferences based on accepted facts.
  9. 18. An angle less than 90 degrees.
  10. 19. ___ angles add up to 180 degrees.
  11. 20. ___ angles add up to 90 degrees.
Down
  1. 2. ___ are angles formed when two parallel lines are intersected by the transversal.
  2. 5. ___ share a common vertex and side.
  3. 6. ___ are opposing angles formed by intersecting lines.
  4. 7. An angle that is exactly 180 degrees.
  5. 8. An angle that is exactly 90 degrees.
  6. 10. The point created when two or more lines meet.
  7. 12. Hypothesis followed by conclusion.
  8. 15. Definitions and postulates make a ___.
  9. 17. A statement that can be proved.