Facts about Geometry

12345678910111213141516171819
Across
  1. 3. 2 angles whose measures have a sum of 90 degrees.
  2. 7. is a segment whose endpoints lie on a circle.
  3. 8. has measure less than 90.
  4. 9. is a statement that contains the words if and only if.
  5. 11. 2 angles whose measure have a sum of 180 degrees.
  6. 12. 2 angles whose sides are opposite rays of the other angles.
  7. 13. all sides are congruent.
  8. 16. theorem a2+b2=c2
  9. 18. all angles are congruent.
  10. 19. same size same shape.
Down
  1. 1. less than 180 and more than 90.
  2. 2. is the reasoning from the general to the specific.
  3. 3. equal length.
  4. 4. is a figure formed by coplanar segments.
  5. 5. is reasoning from the specific to the general.
  6. 6. statement accepted as true without proof.
  7. 10. made from perpindicular bisectors
  8. 14. 90 degree angle.
  9. 15. is a statement in form of: if p, then q
  10. 17. is the figure formed by 2 rays with a common endpoint.