You might need to use the distance formula
for the distance betwen (x1,y1) and (x2,y2) is
so find disance between (-3,1) and (-1,3)
and (-1,3) and (3,1)
so
if we did input them
we would get
which is the peirmiter
for the distance betwen (x1,y1) and (x2,y2) is
so find disance between (-3,1) and (-1,3)
and (-1,3) and (3,1)
so
if we did input them
we would get