Question 945379
{{{L/W=5/2}}}
{{{L=W(5/2)}}}
For a rectangle,
{{{A=L*W}}}
{{{90=W(5/2)W}}}
{{{W^2=180/5}}}
{{{W^2=36}}}
{{{W=6}}}
Then,
{{{L=6(5/2)}}}
{{{L=15}}}