math work

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Across
  1. 2. two angles diagonal from each other
  2. 3. adding up the outside of a object
  3. 8. taking away an amount from something
  4. 10. same position in a different group
  5. 11. opisite sides but inside the parallel lines
  6. 12. separating a number into parts
Down
  1. 1. same side but outside the parallel lines
  2. 4. same side inside paralel lines
  3. 5. equals 180 degrees
  4. 6. line that goes through parallel lines
  5. 7. equals the same
  6. 9. opposite sides outside parallel lines