Question 337766
The perimeter of the square would be {{{A+B+C}}}.
The perimeter of a square based on its side would be 
{{{P=4s=A+B+C}}}
{{{s=(A+B+C)/4}}}
The area of a square is,
{{{Area=s^2}}}
{{{Area=((A+B+C)/4)^2}}}
{{{Area=(A+B+C)^2/16}}}