Complementary angles
volume
British pronunciation/kˌɒmplɪmˈɛntəɹi ˈaŋɡəlz/
American pronunciation/kˌɑːmplɪmˈɛntɚɹi ˈæŋɡəlz/

"complementary angles"的定义和意义

Complementary angles
01

two angles whose sum is a right angle

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