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Mathematics 9 Online
OpenStudy (anonymous):

The measures of the angles of a triangle are in the extended ratio 3 : 5 : 7. What is the measure of the smallest angle? (1 point) 12 36 60 84

OpenStudy (anonymous):

3x + 5x + 7x = 180 15x = 180 x = 12 3(12) = ? Can you finish it?

OpenStudy (anonymous):

Hint: choice B

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