lexilitchy lexilitchy

23-06-2016
Mathematics

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A triangular sandbox has angles whose measures are in the ratio 3:7:2. What is the measure of the smallest angle? a. 10° b. 30° c. 70° d. 20°

Respuesta :

olemakpadu olemakpadu

06-07-2016

Sum of ratios: 3 + 7 + 2 = 12

Measure of smallest; sum of angles in triangle = 180

Smallest: (2/12)* 180 = 30

30°

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