Answer :
You can know if they are congruent by the length of both lines!
You must calculate the length of the segments.
Suppose segments AB and CD
Being A (m, n), B (p, q) C(r,s) and D(t,u)
They are congruent if:
[tex]\boxed{(p-m)^2+(q-n)^2=(t-r)^2+(u-s)^2}[/tex]
Suppose segments AB and CD
Being A (m, n), B (p, q) C(r,s) and D(t,u)
They are congruent if:
[tex]\boxed{(p-m)^2+(q-n)^2=(t-r)^2+(u-s)^2}[/tex]