Question 317459
LW=A
A=100
L=4W
{{{(4W)W=100}}}
{{{4W^2=100}}}
{{{sqrt(4W^2)=sqrt(100)}}}
{{{2W=10}}} and {{{2W=-10}}}
{{{W=5}}} and {{{W=-5}}}
cant be negative
{{{L=4(5)}}}
{{{L=20}}}
Check
{{{20*5=100}}}
correct