geometry terms crossword

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Across
  1. 4. triangle with 2 equal sides
  2. 5. 2 rays with same endpoint in oppo directions
  3. 8. has one endpoint
  4. 9. a triangle with a 90 angle in it
  5. 10. points all on the same line
  6. 12. angle greater than 180
  7. 14. point where sides of an angle meet
  8. 15. triangle with no equal sides
  9. 17. has 2 endpoints
  10. 18. an angle with exactly 180 degrees
Down
  1. 1. line that meets a segment at its midpt
  2. 2. a pt that divides a segment into 2 = parts
  3. 3. has no endpoints- arrows on both ends
  4. 6. formed by 2 rays with a common endpoint
  5. 7. side of a rt triangle across from rt angle
  6. 11. an angle with less than 90 degrees
  7. 13. angle greater that 90 and less than 180
  8. 16. equal in length