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Question 768093: what is the complementary angle for 215 degrees. can you explain ?
Answer by josgarithmetic(39748)   (Show Source):
You can put this solution on YOUR website! SUPPLEMENTARY angles are angles which sum to 180 degrees.
COMPLEMENTARY angles sum to 90 degrees.
You are asking for some angle, x, such that x+215=90. Is this really what you want? If so, then good. Do it.
x+215-215=90-215
x=-125 degrees.
(That is, negative 125.)
This would be a rotation of the unit vector on the unit circle clockwise by 125 degrees.
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