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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Maths > Chapter 11 - Conic Sections > 7. A man running a racecourse notes that the sum of the distances from the two flag posts from him is always 10 m and the distance between the flag posts is 8 m. Find the equation of the posts traced by the man.

7. A man running a racecourse notes that the sum of the distances from the two flag posts from him is always 10 m and the distance between the flag posts is 8 m. Find the equation of the posts traced by the man.

Example 1: Find an equation of the circle with centre at (0 0) and radius r.