SOLUTION: What is the complement of a 21 degree angle ?

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Question 303325: What is the complement of a 21 degree angle ?
Answer by jim_thompson5910(35256) About Me  (Show Source):
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Complementary angles add to 90 degrees. So if 'x' and 'y' are complements of each other, then x%2By=90. If we let x=21, then we get 21%2By=90. From here, subtract 21 from both sides to get y=69. So the complement of 21 degrees is 69 degrees.