Subject :IMO Class : Class 7

A cow is tied to a pole, fixed to the midpoint of a side of a square field of dimensions 40 m × 40 m, by means of 14 m long rope. Find the area that the cow can graze.

A 254 m^{2}

B 308 m^{2}

C 245 m^{2}

D 380 m^{2}

the answer should be 616 sq meters as 14m becomes r and area should be 22/7*14*14