Question

The measure of angle of a triangle are xdegree (x- 20)degree (x-40)degree find the measure each angle​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

x+(x-20)+(x-40)=180

x+x-20+x-40=180

3x-60=180

3x=240

x=240/3

x=80

x-20=80-20=60

x-40=80-40=40