SOLUTION: One angle of a triangle measures 30°. If the measures of the other two angles are in the ratio 3:7, the measure of the largest angle of the triangle is what?

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Question 1109625: One angle of a triangle measures 30°. If the measures of the other two angles are in the ratio 3:7, the measure of the largest angle of the triangle is what?
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It might be what.

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Other two angles may be 3x and 7x because their ratio is 3:7.

30%2B3x%2B7x=180
Because sum of interior angles of triangle 180 degrees.

10x%2B30=180
x%2B3=18
x=15
Finish this on your own...