Geometry Crossword Puzzle

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Across
  1. 4. a supposition or proposed explanation made on the basis of limited evidence
  2. 6. Side by side; Line of latitude
  3. 8. Curving inwards; Curved inwards
  4. 9. a distant region
  5. 12. lying on the same line; points on the same line
  6. 14. the exact middle point; A point somewhere in the middle
  7. 15. dot; put a blank on the
  8. 16. the height of an object or point in relation to sea level or ground level; Height above sea level
  9. 17. Logical proposition; Reasoned proposition
  10. 18. any of a set of straight lines passing through one point.
  11. 19. situated within or inside; relating to the inside; inner
Down
  1. 1. A straight line; Narrow Beam
  2. 2. THE "5" OF 5^2; Army locale
  3. 3. coinciding when superimposed
  4. 5. a line, a ray, a line segment, or a point that cuts a line segment
  5. 7. reasoning that involves the formation of conclusions from incomplete evidence
  6. 8. in the same plane; points on the same plane
  7. 10. Acute or obtuse; Measured in degrees
  8. 11. refutation by example
  9. 13. part of a line that is bounded by two distinct end points