Question

The measures of a triangle are x°, (x-20)°,(x-40)°.find the measure of each angle​

Answer 1

Answer:

x=80

Step-by-step explanation:

x+x-20+x-40=180

3x-60=180

3x=180+60

x=240÷3

x= 80

x-20=80-20

= 60

x-40=80-40

= 40