Geometry

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Across
  1. 3. 22/7(used to find area of circle)
  2. 5. angles that have a sum of 90 degrees
  3. 6. angle > 90 but < 180 degrees
  4. 7. triangle with all equal sides
  5. 11. perimeter of a circle
  6. 12. triangle with no equal sides or angles
Down
  1. 1. angles that total 180 degrees
  2. 2. lines that never meet
  3. 4. angles formed with a U shape
  4. 8. formed at a point
  5. 9. unit used to measure angles
  6. 10. angle less than 90 degrees