Heron's Formula and Co-ordinate Geometry

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Across
  1. 2. number of books written by heron
  2. 3. The point where x-axis and y-axis meet
  3. 4. The person who derived the formula for area of triangle on basis of its sides
  4. 6. Another name for co-ordinate geometry
  5. 7. Number of axes in the cartesian plane
  6. 8. other name of trapezoids
Down
  1. 1. Birth place of heron
  2. 3. Point on y-axis also known as
  3. 5. The other name for heron's formula
  4. 6. Point on x-axis also known as