Crossword Puzzle

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Across
  1. 3. lies in the same straight line.
  2. 6. Triangle with sides of unequal length
  3. 7. Triangle with sides of equal length
  4. 8. an angle exactly 90
  5. 11. a statement of logical rules
  6. 12. The highest point
  7. 14. an angle more than 90
  8. 15. has been neither verified nor shown to be false.
Down
  1. 1. Uses the angle bisector
  2. 2. a line that divides a line
  3. 4. Height of an object
  4. 5. in the same plane
  5. 9. when the hypothesis and conclusion are reversed.
  6. 10. an angle less than 90
  7. 13. The center of mass