kaneki4
contestada

A triangle has angles measuring 15° and 45°. What is the measure of the third angle?
A: 30°
B: 90°
C: 120°
D: 180°

Respuesta :

The answer would be C: 120° since all the angles in a triangle sum up to 180°... If we add 15° and 45° together, we get 60° and 180° - 60° = 120°