Question 1102260
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The plot shows an equilateral triangle with the angles of 60 degrees each.


One equation is  2y = 60 degrees  ====>  y = 30 degrees.


The second equation is  25x-15 = 60 degrees  ====>  x = {{{(60+15)/25}}} = {{{75/25}}} = 3 degrees.
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That's all.