jd227429 jd227429

02-06-2016
Mathematics

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the measures of the angels of ΔRST are in the ratio 2.4.9 What are the measures of the angels

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nobillionaireNobley nobillionaireNobley

11-06-2016

Sum of interior angle of a triangle is 180 degrees.
2x + 4x + 9x = 180
15x = 180
x = 180/15 = 12
2x = 2 x 12 = 24
4x = 4 x 12 = 48
9x = 9 x 12 = 108
the measures of the angles are : 24 degrees, 48 degrees ,108 degrees

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