(10x+1)º (9x-11)º

For solving complementary angles have to find the degree. X represents the degree.
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1 Answer

Complementary angles means, that their sum equals 180º.

Now you have to solve the following equation:
(10x+1)º+(9x-11)º = 180º
10xº +1º +9xº -11º = 180º
19xº -10º = 180º
19xº =190º
x = 10
 

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