Question 1078691
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Complementary angles are those that make 90 degrees in the sum.


90-Y = 3Y - 110.  --->  90 + 110 = 3y + y  --->  200 = 4Y  --->  Y = {{{200/4}}} = 50.


<U>Answer</U>.  Y = 50 degrees, S = 90-50 = 40 degrees.