engineering recuitment ISRO Scientific Assistant Physics 2020 Mathematics Parabola, Ellipse and Hyperbola Ellipse
A man running round a racecourse notes that the sum of the distance of two flag-posts from him is always 10 m and the distance between the flag-posts is 8 m. The area of the path he encloses is
1
18π square metres
2
15π square metres
3
12π square metres
4
8π square metres