SOLUTION: What is supplement of 4 pie/9

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Question 596234: What is supplement of 4 pie/9
Answer by Alan3354(69443) About Me  (Show Source):
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What is supplement of 4 pie/9
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Supplementary angles add to 180 degs, or pi radians.
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pie is a dessert. Radians are often expressed in terms of the Greek letter pi.
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If you mean 4pi/9, then it's pi - 4pi/9 = 5pi/9