Question 1038151
{{{ L = sqrt( ( 5 -(-3) )^2 + ( -1 -7 )^2 ) }}}
{{{ L = sqrt( ( 5+3 )^2 + ( -8 )^2 ) }}}
{{{ L = sqrt( 64 + 64 ) }}}
{{{ L = sqrt( 128 ) }}}
{{{ L = 8*sqrt(2) }}}
{{{ L = 8*1.414 }}}