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

User ChalkTalk
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(3+5+7)c = 180 so, c=12; largest angle= 84
User Svlasov
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