Answer:
m∠A = 118°
m∠B = 27°
m∠C = 35°
Step-by-step explanation:
m∠A = 3x + 13
m∠B = x - 8
m∠C = x
m∠A + m∠B + m∠C = 180°
3x + 13 + x - 8 + x = 180
5x + 5 = 180
5x = 175
x = 35
m∠A = 3x + 13 = 3(35) + 13 = 118°
m∠B = x - 8 = 35 - 8 = 27°
m∠C = x = 35°
