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posted by Ryan on Sunday, November 27, 2011 at 9:13pm.
A triangular playground has angles with measures in the ratio 8 : 7 : 5. What is the measure of the smallest angle
180° * [ 5 / ( 8 + 7 + 5 ) ] = 180° * ( 5 / 20 ) = 180° * 1 / 4 = 45°
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