Respuesta :

gmany

First line:

XV, XT, VT

Second line:

YV, YU, VU

Notice:

[tex] \overrightarrow{VT} [/tex] it is a vector

[tex] \overline{VT} [/tex] it is a segment

[tex]V, T[/tex] they are points

[tex] \overleftrightarrow{VT} [/tex] it is a line