Question 1048530
Hey there 
let L be lenght and W be width

{{{L}}}={{{2W}}}

{{{2w*w}}}={{{11}}}
{{{w^2}}}={{{11/2}}}
{{{w}}}={{{sqrt(11/2)}}}

{{{w}}}={{{sqrt(11/2)}}}

{{{L}}}={{{2*sqrt(11/2)}}}