SOLUTION: The measures of the angles of a triangle are in the ratio 3:5:7. What is the measure of the largest angle of the triangle?

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Question 696082: The measures of the angles of a triangle are in the ratio 3:5:7. What is the measure of the largest angle of the triangle?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
3x+5x+7x = 180

15x = 180

x = 180/15

x = 12

7x = 7*12 = 84

The largest angle is 84 degrees.