Biblioteca
Estuda os sinais, revê a matéria e consulta resumos quando precisares.
#f2972d9359de
At what distance must the advance warning triangle be visible?

AAt least 30 meters.
BAt least 80 meters.
CAt least 100 meters.Correct
DAt least 120 meters.
Does the correction look wrong?Let us know and we'll review this question.