SOLUTION: A triangle has one angle measuring 3X degrees. hey second angle measures 2X +20 degrees and the third angle measures 4X -20 degrees. What is the value of X?

Algebra ->  Triangles -> SOLUTION: A triangle has one angle measuring 3X degrees. hey second angle measures 2X +20 degrees and the third angle measures 4X -20 degrees. What is the value of X?      Log On


   

Question 1123301: A triangle has one angle measuring 3X degrees. hey second angle measures 2X +20 degrees and the third angle measures 4X -20 degrees. What is the value of X?
Answer by ikleyn(52785) About Me  (Show Source):
You can put this solution on YOUR website!
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The sum of all interior angles of a triangle is equal to 180 degrees.


It gives you an equation


3X + (2X+20) + (4X-20) = 180.


Simplify and solve for X.