MATH

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Across
  1. 3. ratio of the circumference of a circle.
  2. 5. dividing one number or expression.
  3. 7. the study of triangles.
  4. 9. symbols ().
Down
  1. 1. a data display.
  2. 2. the ratio of any two corresponding lengths.
  3. 4. a point at which a graph intercepts the x-axis.
  4. 6. a ratio of numbers or variables.
  5. 8. the mathematics of working with variables.