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Mathematics 9 Online
OpenStudy (anonymous):

A triangular playground has angles with measures in the ratio 8 : 7 : 5. What is the measure of the smallest angle?

OpenStudy (anonymous):

A. 28 B. 45 C. 6 D. 39

OpenStudy (anonymous):

Let 'x' be the common multiplier for the ratio. Then the angles are 8x, 7x, and 5x. Now, we also know that the sum of the interior angles of a triangle is two right angles, ie 180 degrees. Proceed along with this information and where does that lead you?

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