Question

Three angles of a triangle are (x-10)º , (x-20)º , (2x-30)º​

Answer 1

Answer:

(x-10)º + (x-20)º + (2x-30)º = 180

bcoz the measure of the angle of a triangle is 180 degree

4x - 30 - 30 = 180

4x - 60 = 180

4x = 240

x = 60

x - 10 = 60 - 10 = 50°

x - 20 = 60 - 20 = 40

2x - 30 = 2 × 60 - 30 = 90

so the three angles are 50° , 40°, 90°

I hope it will work if It then mark me as Brilliant