Definition of supplementary angle in English:

supplementary angle

Line breaks: sup|ple¦men|tary angle

noun

Mathematics
Either of two angles whose sum is 180°.
More example sentences
  • The supplementary angle of the interior angle, or the difference between the interior angle and 180°, is referred to as the ‘neighbour-avoidance index’.
  • This lesson introduces supplementary angles and prepares students to figure angle sums of polygons.
  • In this section, we are going to deal with vertical angles and supplementary angles in a different way.

Definition of supplementary angle in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day apposite
Pronunciation: ˈapəzit
adjective
apt in the circumstances or relation to something