SOLUTION: what are the rules for getting an angles of triangle?

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Question 638483: what are the rules for getting an angles of triangle?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The rule is that the 3 angles add up
to 180 degrees.
That means that if one of the angles is 90,
the remaining 2 have to add up to 90.