Question

1. The measures of the angles in a triangle are x, 2x, and 2x - 20. What is the measure of the largest angle?

Answer 1

Sum of the three angles of a triangle = 180 degrees

x+x+20+2 x=180

4 x=160

x=40

The angles are 40,(40+20).(2*40)

Answer 40,60,80