SOLUTION: A home has a triangle backyard. The second angle is 4 more than the first angle. The 3rd angle is 21 more than 3 times the first angle. What are the three angles?

Algebra ->  Triangles -> SOLUTION: A home has a triangle backyard. The second angle is 4 more than the first angle. The 3rd angle is 21 more than 3 times the first angle. What are the three angles?      Log On


   

Question 841647: A home has a triangle backyard. The second angle is 4 more than the first angle. The 3rd angle is 21 more than 3 times the first angle. What are the three angles?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a=x,
b=4+x,
c=21+3x,
a+b+c=180
a = 31, b = 35, c = 114