Question 339088
Use the distance formula,
{{{AB^2=(xa-xb)^2+(ya-yb)^2}}}
{{{AB=sqrt((6-13)^2+(-8-6)^2)}}}
{{{AB=sqrt((-7)^2+(-14)^2)}}}
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Use the midpoint formula to find the midpoint,
{{{xm=(xa+xb)/2=(6+13)/2}}}
{{{ym=(ya+yb)/2=(-8+6)/2}}}