Question 389083
For a square,
{{{P=4s}}}
{{{s=P/4}}}
and
{{{A=s^2}}}
.
.
{{{A=(P/4)^2}}}
{{{A=P^2/16}}}
{{{A=(30.4)^2/16}}}
{{{highlight(A=57.76)}}}sq.in.