Afli coordonatele lui M
[tex]X_{M} =\frac{X_{A} +X_{B} }{2} \\ \\ X_{M} =\frac{3 +3 }{2} =3 \\ \\ Y_{M} =\frac{Y_{A} +Y_{B} }{2} \\ \\ Y_{M} =\frac{1 +5 }{2} =3 \\ \\[/tex] M(3,3)
Lungimea lui M este :
[tex]AM=\sqrt{(X_{M}-X_{A})^{2} +(Y_{M}-Y_{A})^{2} } =\sqrt{(3-3)^{2} +(3-1)^{2} } =\sqrt{16} =4[/tex]
