1.

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

A. 18π square metres
B. 15π square metres
C. 12π square metres
D. 8π square metres
Answer» C. 12π square metres


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