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supplementary angles. In DICTIOUS you will not only get to know all the dictionary meanings for the word
supplementary angles, but we will also tell you about its etymology, its characteristics and you will know how to say
supplementary angles in singular and plural. Everything you need to know about the word
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English
Noun
supplementary angles
- (geometry) plural of supplementary angle
Let angle A = 30° and angle B = 10°, so that their supplementary angles are A′ = 150° and B′ = 170°, respectively.
Noun
supplementary angles pl (plural only)
- (geometry) A pair of angles that sum to 180 degrees.
A = 30° and A′ = 150°, so A and A′ are supplementary angles.
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