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Definition of complementary angle noun from the Oxford Advanced Learner's Dictionary

complementary angle

noun

/ˌkɒmplɪmentri ˈæŋɡl/

/ˌkɑːmplɪmentri ˈæŋɡl/

(geometry)

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either of two angles that together make 90° compare supplementary angle

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See complementary angle in the Oxford Advanced American Dictionary

Check pronunciation: complementary angle

Nearby words

noun

From the Word list

C1

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