Question 623634
One side {{{ s }}}, of the square field is
{{{ s^2 = 60025 }}}
{{{ s = sqrt( 60025 ) }}} 
{{{ s = 245 }}}
Perimeter = {{{ 4s }}}
{{{ 4s = 4*245 }}}
{{{ 4*245 = 980 }}}
{{{ 980/18000  = .05444 }}}
{{{ .05444*60 = 3.267 }}}
{{{ .267*60 = 16 }}}
He returns to starting point in 3 min 16 sec