[tex]{ \huge{ \green{ \underline{ \rm{Given}} \colon}}}[/tex]
[tex]{ \large{ \red{➾ \: \: \bf{Perimeter \: \: of \: \: square = 32 \: miles}}}}[/tex]
[tex]{ \huge{ \orange{\underline{ \rm{To \: \: find}} \colon}}}[/tex]
[tex]{\large{\purple{✭\: \:\bf{\underline{\underline{Side \: \: of \: \: square}}}}}}[/tex]
[tex]{ \large{ \blue{✮ \: \: { \boxed {\bf{Perimeter \: \: of \: \: square = 4 \times sides}}}}}}[/tex]
[tex]{ \large{ \pink{⇝ \bf{32 = 4 \times a}}}}[/tex]
[tex]{ \large{ \purple{⇝ \: \bf{a = \dfrac{ \cancel{32} \: {}^{8} }{ \cancel{4} }}}}}[/tex]
[tex]{ \large{ \orange{ ∴ \: \rm{Side \: \: of \: \: square(a) ={ \boxed{\boxed{ \rm{8 \: \: miles}}} \: \: Ans.}}}}}[/tex]