Heron's Formula and Co-ordinate Geometry

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Across
  1. 2. Other name for cartesian plane
  2. 4. The quadrant in which both x and y-axis are negative
  3. 5. Other name of x-axis and y-axis
  4. 7. The quadrant in which both x and y-axis are positive
  5. 9. The polygon other than triangle whose area can be found out by herons formula
  6. 10. When was herons formula discovered
Down
  1. 1. Herons formula is a special case of the area of
  2. 3. The people who discovered a formula equivalent to herons formula
  3. 6. when which part of triangle is unknown , herons formula can be used
  4. 8. A line with choosen cartesian system is called