SOLUTION: the first angle of a triangle is double the third angle. the second angle of a triangle is 40 degrees less than the third angle.

Algebra ->  Angles -> SOLUTION: the first angle of a triangle is double the third angle. the second angle of a triangle is 40 degrees less than the third angle.      Log On


   



Question 308416: the first angle of a triangle is double the third angle. the second angle of a triangle is 40 degrees less than the third angle.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+x-40+x=180
4x=220
x=55 degrees angle 3
angle 1=110 degrees
angle 2=15 degrees