5. Find the area of the field

A cow is tied with a rope of length \(21 \ m\) at the corner of a rectangular field of dimensions \(23 \ m \times 14 \ m\). Find the area of the field in which the cow can graze.

 

 

Area of the field \(=\) \(m^2\)

 

[Note: Round off to nearest whole number. ]