Adjacent angle

Adjacent angle
File:Adjacent angles.svg
In the illustration, angles A and B are adjacent.

In geometry, adjacent angles, often shortened as adj. ∠s, are angles that have a common ray coming out of the vertex going between two other rays. In other words, they are angles that are side by side, or adjacent.

Complementary adjacent angles

A pair of angles is [[complementary angles|If the some measures20 degrees it is oposit.

A pair of angles is supplementary if the sum of their measures is 180°.


An angle with a ray connected to a common point down the center. In Geometry, two angles are adjacent angles if they share a common vertex and side, but have no common interior points.

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Look at other dictionaries:

  • adjacent angle — aˌdjacent ˈangle 7 [adjacent angle] noun (geometry) one of the two angles formed on the same side of a straight line when another line meets it …   Useful english dictionary

  • adjacent angle — either of two angles having a common side and a common vertex …   English contemporary dictionary

  • adjacent angle — /əˌdʒeɪsənt ˈæŋgəl/ (say uh.jaysuhnt angguhl) noun one of two angles having the same vertex and having a common side between them …  

  • Adjacent — is an adjective meaning contiguous , adjoining or abutting .In geometry, adjacent is when sides meet to make an angle.In trigonometry the adjacent side of a right angled triangle is the cathetus next to the angle in question.In graph theory… …   Wikipedia

  • adjacent — adjacent, ente [ adʒasɑ̃, ɑ̃t ] adj. • 1314; lat. adjacens, de adjacere « être situé auprès » 1 ♦ Contigu, voisin. ⇒ attenant, proche. Terrain adjacent à un bois. « Qui sortant des maisons, qui des petites rues adjacentes » (Hugo). 2 ♦ (1751)… …   Encyclopédie Universelle

  • angle — [ ɑ̃gl ] n. m. • XIIe; lat. angulus 1 ♦ Cour. Saillant ou rentrant formé par deux lignes ou deux surfaces qui se coupent. ⇒ arête, coin, encoignure, renfoncement. À l angle de la rue. Former un angle, être en angle. La maison qui fait l angle,… …   Encyclopédie Universelle

  • Adjacent — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where …   The Collaborative International Dictionary of English

  • Adjacent — Ad*ja cent, a. [L. adjacens, centis, p. pr. of adjacere to lie near; ad + jac[=e]re to lie: cf. F. adjacent.] Lying near, close, or contiguous; neighboring; bordering on; as, a field adjacent to the highway. The adjacent forest. B. Jonson. [1913… …   The Collaborative International Dictionary of English

  • Adjacent — Ad*ja cent, a. [L. adjacens, centis, p. pr. of adjacere to lie near; ad + jac[=e]re to lie: cf. F. adjacent.] Lying near, close, or contiguous; neighboring; bordering on; as, a field adjacent to the highway. The adjacent forest. B. Jonson. [1913… …   The Collaborative International Dictionary of English

  • Angle externe — et angle interne d un polygone En géometrie, deux côtés d un polygone ayant un sommet en commun sont dits adjacents. On appelle angle interne d un polygone l angle formé en un sommet de ce polygone, à l interieur de celui ci, par les deux côtés… …   Wikipédia en Français

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