complementary angle

noun Mathematics.

either of two angles that added together produce an angle of 90°.
Compare supplementary angle.

Words nearby complementary angle

complemental air, complementarity, complementarity principle, complementary, complementary air, complementary angle, complementary angles, complementary base, complementary cells, complementary color, complementary colour

British Dictionary definitions for complementary angle

complementary angle

noun

either of two angles whose sum is 90° Compare supplementary angle