Math RBA

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Across
  1. 2. Similar to 12 Across
  2. 5. Taking away
  3. 6. Shape with four equal sides but not 90 degree angles
  4. 7. The amount of space of a 2D region
  5. 8. A positive number
  6. 9. An expression with multiple terms
  7. 12. The relationship between two quantities
  8. 14. The distance from the center of the circle to the circumference.
  9. 15. Something between two points
Down
  1. 1. What you divide
  2. 3. A shape where each point is the same distance from the center
  3. 4. A number that can be divided by a number other than itself without a remainder
  4. 5. A type of triangle with unequal sides
  5. 10. A positive or negative number
  6. 11. A number per 100
  7. 13. An angle over 90 degrees