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OpenStudy (anonymous):
The measures of the angles of a triangle are in the extended ratio of 7: 9: 10. Find the measures of the angles of the triangle.
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jimthompson5910 (jim_thompson5910):
Since the angles form that ratio, this means the three angles are 7x,9x,10x for some number x
jimthompson5910 (jim_thompson5910):
They must add to 180 degrees which means 7x + 9x + 10x = 180 solve for x
jimthompson5910 (jim_thompson5910):
once you have x you can determine the value of 7x,9x, and 10x
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