Answer:
M{ABC= 5x-27 = 5x15-27 = 48°
M{BAC=7x-26° = 7x15-26=79°
M{ACB=180°-(48° +70°) = 54°
Exterior angle 10x15-23 = 127°
Step-by-step explanation:
Sorry but I don't know the 1st one like I don't understand what does it mean by x = and sorry if I did it wrong
