20. Calculate the area of the field a calf can graze

A cow is tied with a rope of length 11 \(m\) at the corner of a rectangular field of dimensions 20\(m\) \(×\) 16 \(m\). Determine the area of the field in which the cow can graze.

 

 

A cow can graze 96.293.995.197.1 \(cm^2\) area of the field.