A man running round a race-course notes that the sum of the distance of two flag-posts from him is always 10 metres and the distance between the flag-posts is 8 metres. The area of the path he encloses in square metres is [MNR 1991; UPSEAT 2000]

A man running round a race-course notes that the sum of the distance o

1.	A man running round a race-course notes that the sum of the distance of two flag-posts from him is always 10 metres and the distance between the flag-posts is 8 metres. The area of the path he encloses in square metres is [MNR 1991; UPSEAT 2000]
A.	\[15\pi \]
B.	\[12\pi \]
C.	\[18\pi \]
D.	\[8\pi \]
Answer» B. \[12\pi \]

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A man running round a race-course notes that the sum of the distance of two flag-posts from him is always 10 metres and the distance between the flag-posts is 8 metres. The area of the path he encloses in square metres is [MNR 1991; UPSEAT 2000]

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