math

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Across
  1. 3. divide
  2. 4. diameter
  3. 5. altitude
  4. 6. longest line
  5. 7. circum
  6. 9. diagonal
  7. 10. abscissa
Down
  1. 1. origin
  2. 2. polygon with four sides
  3. 5. angle less than 90
  4. 7. congruent
  5. 8. isosceles
  6. 10. AAS
  7. 11. arc