Question 1188241
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The two unknown angles are 6x and 7x  degrees.


The sum of the angles equation is


    50 + 6x + 7x = 180  degrees


           13x   = 180 - 50

           13x   = 130 degrees

             x   = 130/13 = 10 degrees.


<U>ANSWER</U>.  The two unknown angles are 60 degrees and 70 degrees.
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Solved.