popeye318 popeye318

12-01-2015
Mathematics

contestada

a shelf is in the shape of a triangle. find the angles of the triangle if the measures of the angles are in the ratio x:x:4x.

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macio06 macio06

13-01-2015

We know that sum of angles in the triangle its 180.
To get the answer we can prepare equation
x+x+4x=180
6x=180 /:6
x=30 - first and second angles
4x=30*4=120 - third angle

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