SOLUTION: two angles of a triangle are 600 and 900. what is the third?

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Question 429460: two angles of a triangle are 600 and 900. what is the third?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
I recommend you check your question and see if it is what the question actually said. Maybe you meant 60° and 90°, in which the third angle would be 180° - 90° - 60°, or 30°.