opposite angle

noun

Either of the angles directly opposite to each other when two lines intersect in a plane.

Meanings

nounopposite angle (plural opposite angles)

plural opposite angles

  1. geometryEither of the angles directly opposite to each other when two lines intersect in a plane.

    Synonyms: vertical angle

Synonyms & antonyms

nounEither of the angles directly opposite to each other when two lines intersect in a plane.

Cite this entry
APA

opposite angle. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/opposite%20angle

MLA

“opposite angle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/opposite%20angle. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “opposite angle,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/opposite%20angle.

Source: opposite angle on Wiktionary, CC BY-SA 4.0.