Math Crossword

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Across
  1. 2. a dot
  2. 3. at least two points determine this
  3. 4. part of a line with an endpoint but goes in one direction
  4. 6. lines that cross at one point
  5. 9. lines that do cross
Down
  1. 1. lines that don't cross
  2. 2. lines that cross to form right angles
  3. 5. infinite flat surface
  4. 7. points that blie in the same plane
  5. 8. part of a line