supplementary angle


noun Mathematics.

either of two angles that added together produce an angle of 180°.

Origin of supplementary angle

First recorded in 1830–40

British Dictionary definitions for supplementary angles

supplementary angle

noun

either of two angles whose sum is 180° Compare complementary angle

Scientific definitions for supplementary angles

supplementary angles
[ sŭp′lə-mĕntə-rē ]

Two angles whose sum is 180°.