In triangle​ ABC, the angles A and B have the same​ measure, while the measure of angle C is 21degrees larger than the measure of each of A and B. What are the measures of the three​ angles?

Respuesta :

180 = 2x+x+21
159 = 3x
x = 53
Angle A = 53°
Angle B = 53°
Angle C = 53+21 = 74°
good job