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

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

Algebra.Com

Question 303325: What is the complement of a 21 degree angle ?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Complementary angles add to 90 degrees. So if 'x' and 'y' are complements of each other, then . If we let , then we get . From here, subtract 21 from both sides to get . So the complement of 21 degrees is 69 degrees.
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