SOLUTION: a triangular shaped sandbox has angles whose measures are in the ratio 3 : 7 : 2. What is the measure of the smallest angle?

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Question 356916: a triangular shaped sandbox has angles whose measures are in the ratio 3 : 7 : 2. What is the measure of the smallest angle?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x+7x+2x=180
12x=180
x=15
3x=45
7x=105
2x=30