This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Two angles are Adjacent when they have a common side and a common vertex (corner point) and don't overlap.Angle ABC is adjacent to angle CBD. Because: they have a common side (line CB) they have a common vertex (point B)

A linear pair is a pair of adjacent, supplementary angles. Adjacent means next to each other and supplementary means that the measures of the two angles add up to equal 180 degrees.