Question 336527
The perimeter of a rectangle is,
{{{P=2L+2W=27}}}
{{{L=1.8W}}}
Substitute,
{{{2(1.8W)+2W=27}}}
{{{3.6W+2W=27}}}
{{{5.6W=27}}}
{{{(28/5)W=27}}}
{{{W=27(5/28)}}}
{{{W=135/28}}}m
Then from above,
{{{L=1.8W=(9/5)W=(9/5)(135/28)}}}
{{{L=243/28}}}m