Answer:
Step-by-step explanation:
Sum of all the angles of triangle = 180
∠A + ∠B + ∠C = 180
2x -3 +3x +4 +x -1 = 180
2x + 3x +x - 3 + 4 - 1 = 180
6x + 0 = 180
6x = 180
x = 180/6
x = 30°
∠A = 2x -3 = 2*30 - 3 = 60 - 3 = 57°
∠B = 3x +4 = 3* 30 + 4 = 90 + 4 = 94°
∠C= x - 1 = 30- 1 = 29°
