Question 1184318


{{{A=l*w}}}

 if the perimeter is {{{2}}} meters, we have

{{{2=2l+2w}}}...........solve for l

{{{2-2w=2l}}}....simplify

{{{1-w=l}}}

substitute in

{{{A=l*w}}}

{{{A=(1-w)*w}}}

{{{A=w-w^2}}}