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5 June, 12:39

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

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  1. 5 June, 12:42
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    They are called complementary angles
  2. 5 June, 12:49
    0
    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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