Question 259712
The area of a square is
{{{A=s^2=50}}}
{{{s=sqrt(50)}}}
The diagonal of a square is
{{{s^2+s^2=D^2
{{{2s^2=D^2}}}
{{{D=sqrt(2)*s}}}
{{{D=sqrt(2)*sqrt(50)}}}
{{{D=sqrt(100)}}}
{{{D=10}}}
The diagonal is 10m long.