complementary angle

noun

, Mathematics.

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

complementary angle

noun

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

Example Sentences

The complementary angle SMA is, obviously, an angle of (180-19) one hundred and sixty-one degrees.

From Project Gutenberg

Instead of it is frequently used the complementary angle ZOP, known as the polar distance of the body.

From Project Gutenberg