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