complementary angles
complementary angles · complementary angleses
A pair of angles that sum to a right angleA pair of angles that sum to a right angle.
Meaning
1 senses(plural, plural only)A pair of angles that sum to a right angle.
A = 30° and A′ = 60°, so A and A′ are complementary angles.
two angles whose sum is a right angle
Translations
5 languagesOrigin
Complementary in the sense of completing, i.e. they form a complete right angle.Complementary in the sense of completing, i.e. they form a complete right angle.
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Forms
plural: complementary angleses| Singular | complementary angles |
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| Plural | complementary angleses |
regular