Question

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

Answer 1

Step-by-step explanation:

x+x-20+x-40=180

or,3x-60,=180

3x=180+60

x=240÷3

=80

first angle is 80

second angle is 60

third angle is 40