Question

solve the problem please............

Answer 1

hope this answer is correct
4x + 3x + 2x = 180
9x = 180
x = 180÷ 9
x is equal to 20 so
4x = 4× 20 = 80
3x = 3× 20 = 60
2x = 2 × 20 = 40
so the angles are 80;60;40