0.254296875 mi^2 if it is really 162.75 acres
If however that is a typo and you mean 1642.75 acres
then
2.566796875 mi^2
162 3/4 ACRES =_______MI^2
1642.75 ACRES/1 * 1 MILE/640 ACRES
=1642.75/640=2.57 MILES
2 answers
1642 3/4 ACRES IT WAS IT WAS A TYPO i CAME UP WITH 2.57MILES FOR THE ANSWER IS THAT CORRECT.