Geometry Crossword!

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Across
  1. 5. this consists of two endpoints and all the points between them
  2. 6. points that lie on the same line
  3. 10. two angles whose measures have a sum of 90 degrees
  4. 12. a location in space that has no dimension
  5. 14. two adjacent angles whose noncommon sides are opposite rays
  6. 15. the common endpoint of two rays
Down
  1. 1. the sets of points two or more geometric figures have in common
  2. 2. A flat, slanted, 2 dimensional space with no end
  3. 3. words that have a formal definition
  4. 4. a rule that is accepted with proof
  5. 7. one dimension. This is represented with two points but extends without end
  6. 8. this consists of an endpoint and all points lie on the same side
  7. 9. an angle that has a measure of 90 degrees
  8. 11. a rule that is accepted without proof
  9. 13. the absolute value of the difference of two coordinates on a line