Question 958085
For a rectangle,
{{{A=L*W}}}
{{{P=2(L+W)}}}
.
.
.
{{{L*W=2700}}}
{{{L=3W}}}
So then,
{{{3W*W=2700}}}
{{{W^2=900}}}
{{{W=30}}}
Then,
{{{L=3(30)}}}
{{{L=90}}}
So then,
{{{P=2(90+30)}}}
{{{P=2(120)}}}
{{{P=240}}}