SOLUTION: What is the supplementary and complementary angle of 20° 10' 30"?

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Question 975584: What is the supplementary and complementary angle of 20° 10' 30"?
Answer by Fombitz(32388) About Me  (Show Source):
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180° =179° 59' 60"
S+20° 10' 30"=179° 59' 60"
S=159° 49' 30"
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900° =89° 59' 60"
C+20° 10' 30"=89° 59' 60"
S=69° 49' 30"