which lines are parallel? justify your answer. lines a and b are parallel because their alternate exterior…

which lines are parallel? justify your answer. lines a and b are parallel because their alternate exterior angles are congruent. lines a and b are parallel because their same side exterior angles are supplementary. lines e and f are parallel because their alternate exterior angles are congruent. lines e and f are parallel because their same side exterior angles are congruent.

which lines are parallel? justify your answer. lines a and b are parallel because their alternate exterior angles are congruent. lines a and b are parallel because their same side exterior angles are supplementary. lines e and f are parallel because their alternate exterior angles are congruent. lines e and f are parallel because their same side exterior angles are congruent.

Answer

Explanation:

Step1: Identificar ángulos externos alternos

Observamos que los ángulos de $75^{\circ}$ son ángulos externos alternos formados por las líneas $e$ y $f$.

Step2: Aplicar criterio de paralelismo

Según el criterio, si los ángulos externos alternos son congruentes, entonces las líneas son paralelas.

Answer:

Lines e and f are parallel because their alternate exterior angles are congruent.