radha rani

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Across
  1. 3. triangle with all sides are equal
  2. 5. which varies(takes different values)
  3. 8. one of the method solving equation
  4. 9. Father of geometry
  5. 10. maximum value- minimum value
  6. 11. Equation with one variabla
Down
  1. 1. |-220|= 220
  2. 2. the sum of two angles is 90 degrees
  3. 4. 3,5,8,13,21......
  4. 6. another name of Arithmetic mean
  5. 7. occures most frequently
  6. 12. distance between two lines is constant