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Adjacent is an adjective meaning contiguous, adjoining or abutting.

In geometry
Geometry

Geometry arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers....
, adjacent is when sides meet to make an angle
Angle

In geometry and trigonometry, an angle is the figure formed by two Ray sharing a common endpoint, called the vertex of the angle . The magnitude of the angle is the "amount of rotation" that separates the two rays, and can be measured by considering the length of circular arc swept out when one ray is rotated about the vertex to coincide...
.

In trigonometry
Trigonometry

Trigonometry is a branch of mathematics that deals with triangle s, particularly those plane triangles in which one angle has 90 degrees . Trigonometry deals with relationships between the sides and the angles of triangles and with the trigonometric functions, which describe those relationships....
 the adjacent side of a right angled triangle is the cathetus
Cathetus

In a right triangle, the cathetus , most commonly known simply as a "leg" is either one of the two sides which are adjacent to the right angle in a right triangle....
 next to the angle in question.

In graph theory
Graph theory

In mathematics and computer science, graph theory is the study of graph : mathematical structures used to model pairwise relations between objects from a certain collection....
 adjacent nodes in a graph are linked by an edge.








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Adjacent is an adjective meaning contiguous, adjoining or abutting.

In geometry
Geometry

Geometry arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers....
, adjacent is when sides meet to make an angle
Angle

In geometry and trigonometry, an angle is the figure formed by two Ray sharing a common endpoint, called the vertex of the angle . The magnitude of the angle is the "amount of rotation" that separates the two rays, and can be measured by considering the length of circular arc swept out when one ray is rotated about the vertex to coincide...
.

In trigonometry
Trigonometry

Trigonometry is a branch of mathematics that deals with triangle s, particularly those plane triangles in which one angle has 90 degrees . Trigonometry deals with relationships between the sides and the angles of triangles and with the trigonometric functions, which describe those relationships....
 the adjacent side of a right angled triangle is the cathetus
Cathetus

In a right triangle, the cathetus , most commonly known simply as a "leg" is either one of the two sides which are adjacent to the right angle in a right triangle....
 next to the angle in question.

In graph theory
Graph theory

In mathematics and computer science, graph theory is the study of graph : mathematical structures used to model pairwise relations between objects from a certain collection....
 adjacent nodes in a graph are linked by an edge.

Image:Group diagram d6.svg|In this graph, the node e is adjacent with each other node, because there is an edge between it and each other node.

See also

  • Graph (mathematics)
    Graph (mathematics)

    In mathematics a graph is an abstract representation of a set of objects where some pairs of the objects are connected by links. The interconnected objects are represented by mathematical abstractions called vertices, and the links that connect some pairs of vertices are called edges....
  • Adjacent angle
  • Adjacent channel
    Adjacent channel

    In Broadcastinging an adjacent channel is an Amplitude modulation, FM, or television channel that is next to another channel . First-adjacent is immediately next to another channel, second-adjacent is two channels away, and so forth....