SOLUTION: the measures of the angles of a triangle are 40,50 and 90, explain why

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Question 679126: the measures of the angles of a triangle are 40,50 and 90, explain why
Answer by pmatei(79) About Me  (Show Source):
You can put this solution on YOUR website!
For any triangle, the sum of the 3 angles is always 180 degrees.
40%2B50%2B90=180