complementary angles

plural of complementary angle

Noun geometry, mathematics

  1. plural of complementary angle
    • Let angle A = 30° and angle B = 10°, so that their complementary angles are A′ = 60° and B′ = 80°, respectively.

Origin

Complementary in the sense of completing, i.e. they form a complete right angle.

Noun geometry, mathematics

  1. A pair of angles that sum to a right angle.
    • A = 30° and A′ = 60°, so A and A′ are complementary angles.

Related

conjugate angles cosine explementary angles supplementary angles