SOLUTION: The ratio of the angles of a triangle is 2:7:9. What is the measure of the largest angle ?

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Question 838218: The ratio of the angles of a triangle is 2:7:9. What is the measure of the largest angle ?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The angles in a triangle sum to 180.
2x%2B7x%2B9x=180
18x=180
x=10
The angles are 20,70, and 90.