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Mathematics 18 Online
OpenStudy (anonymous):

what are complementary ans supplementary angles?

OpenStudy (anonymous):

Complementary angles are angles that add up to 90 degrees. Supplementary angles are angles that add up to 180 degrees. There are lots of ways to remember this. C comes before S, so 90 comes before 180. C has one curve, S has 2 curves and must be double, etc.

OpenStudy (anonymous):

thank you

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