Geometry Crossword

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Across
  1. 2. the sum of two angles is 180 degrees
  2. 6. where the x-axis and y-axis meet on a coordinate plane
  3. 7. the sum of two angles is 90 degrees
  4. 10. four parts of a coordinate plane
  5. 11. an angle that measures less than 90 degrees
  6. 13. points that lie on the same line
  7. 14. a line with a single endpoint that extends indefinitely in one direction
Down
  1. 1. an angle that measures more than 90 degrees but less than 180
  2. 3. a precise location on a plane
  3. 4. the middle point of a line segment
  4. 5. a part of a line bounded by two points
  5. 7. geometric elements of equal measure
  6. 8. two rays with a common end point
  7. 9. coplaner lines that do not intersect; two lines that are the same distance apart and never touch
  8. 12. points that lie on the same plane