SOLUTION: The largest angle of a triangle is 40° larger than the second angle, which is three times the size of the smallest angle. What are the sizes of the three angles of this triangle?

Algebra ->  Triangles -> SOLUTION: The largest angle of a triangle is 40° larger than the second angle, which is three times the size of the smallest angle. What are the sizes of the three angles of this triangle?      Log On


   

Question 943233: The largest angle of a triangle is 40° larger than the second angle, which is three times the size of the smallest angle. What are the sizes of the three angles of this triangle?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
1st=x
2nd=3x
3rd=3x+40
-----
x+3x+3x+40=180
7x=180-40
x=140/7
x=20
3x=60
3x+40=100