Name a Pair of Adjacent Angles

Naming a pair of adjacent angles

( They share a vertex and a side, but do not overlap.) A linear pair is two adjacent angles whose unusual sides form opposite rays. Rename all adjacent angle pairs in the diagram. The two intersecting lines form pairs of adjacent angles that are complementary.

There'?s no overlapping.

In the above illustration, the two angles BAC and CAD are sharing a page (the AC line segment). Also, they divide a shared apex ( point A). Therefore they are called "adjacent angles". Obviously the greater of the two angles BAD is the total of the two adjacent angles.

The two angles PSQ and PSR are overlapping in the illustration on the right. Even though they divide a joint side (PS) and a joint node (S), they are not regarded as adjacent angles if they thus intersect. The adjacent angles must be next to each other and not above each other.

A further possibility to define them is: "two angles that divide a side and a apex, but do not divide inner points". A further use of the word relates to the inner angles of poly-gons. Two arbitrary inner angles that divide a shared side are referred to as "adjacent inner angles" of the poligon or simply as "adjacent angles".

In this case the term adjacent is used in its usual British sense of "next to each other".