SOLUTION: Thanks for the help on the other problem. Please help me on this word problem too. (((The first angle of a triangle measures 20 degrees larger than the second angle of a triangle.

Question 147103: Thanks for the help on the other problem. Please help me on this word problem too.
(((The first angle of a triangle measures 20 degrees larger than the second angle of a triangle. The third angle measures twice as large as the second angle. Find the measures of these three angles.)))
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The key to this one is that the
3 angles of a triangle add up to degrees
Call the angles ,, and

Now substitute for and in the last equation

The angles are , , and degrees
If you plug these numbers back into the original
equations, do they check OK? Try it.
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