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10-05-2017
Mathematics

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Two angles that add up to be exactly 90 degrees are said to be

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10-05-2017

they are called complementary angles

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10-05-2017

Complementary
The way I remember it complementary starts with a C and supplementary start with the letter S and in the alphabet C comes before S and numbers the 90 is first before 180 that's How you can remember that C is 90 and supplementary 180

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