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19 October, 07:01

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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  1. 19 October, 07:13
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    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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