Basic Geometric Terms

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Across
  1. 4. part of a line with two endpoints and all the points between
  2. 6. point that divides a segment into two equal part
  3. 7. a triangle whose angles are all congruent
  4. 9. An angle whose measure is between 90°and 180°
  5. 12. union of two rays with a common endpoint
  6. 13. a triangle with at least two congruent sides
  7. 14. union of 2 rays
  8. 15. a segment, ray or line cutting an angle or segment in half
  9. 19. segments equal in length are ______________
  10. 20. pair of non-adjacent angles formed by the intersection of two straight lines
  11. 21. a triangle with no congruent sides
Down
  1. 1. 2 angles that add up to 90 degrees
  2. 2. 2 angles that share a vertex, share a side but don't share interior points
  3. 3. whose measure is 90°
  4. 5. a triangle whose sides are all congruent
  5. 8. two points are always ____________________
  6. 10. 2 angles that add up to 180 degrees
  7. 11. An angle whose measure is between 0°and 90°
  8. 16. angle whose measure is 90°
  9. 17. pair,two angles that are adjacent and supplementary
  10. 18. when naming an angle using three letters, the middle letter represents this
  11. 19. objects on the same plane