Geometry

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Across
  1. 3. a flat surface
  2. 4. lines that cross each other
  3. 8. an angle that measures 180 degrees
  4. 9. a straight path that continues in both directions
  5. 11. an angle less than 90 degrees
Down
  1. 1. an angle that measures more than 90 degrees
  2. 2. lines that cross and form a right angle
  3. 3. an exact location in space
  4. 5. an angle that is 90 degrees
  5. 6. two lines that do not intersect
  6. 7. a part of a line with two endpoints
  7. 10. part of line with one endpoint