Mathematics PUZZLE-1

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Across
  1. 1. Area x height
  2. 4. Unit to measure area
  3. 6. distance/time
  4. 10. number of zeros of quadratic polynomial
  5. 11. Volume/Area
  6. 12. Unit to measure angle
Down
  1. 2. number of zeros of linear polynomial
  2. 3. Unit to measure volume
  3. 5. number of zeros of cubic polynomial
  4. 6. Unit to measure time
  5. 7. Unit to measure distance or length
  6. 8. length x breadth
  7. 9. Unit to measure Indian currency