Definition of supplementary angle in US English:
supplementary angle
nounˌsəpləˈmɛn(t)əri ˈæŋɡəl
Mathematics Either of two angles whose sum is 180°.
Example sentencesExamples
- The supplementary angle of the interior angle, or the difference between the interior angle and 180°, is referred to as the ‘neighbour-avoidance index’.
- In this section, we are going to deal with vertical angles and supplementary angles in a different way.
- So, for example 60° is the measure of the complementary angle to 30° while 150° is the measure of the supplementary angle to 30°.
- This lesson introduces supplementary angles and prepares students to figure angle sums of polygons.
- It is a further object of this invention to measure an angle, its complementary angle and its supplementary angle simultaneously.