Collinear Points that lie on the same line Collinear refers to a geometric concept where three or more points lie on a single straight line. Simply put,...
Linear Pair A pair of adjacent angles whose noncommon sides are opposite rays. A linear pair is a pair of adjacent angles formed when two lines intersect....
Supplementary angles Two angles whose sum is 180 degrees Supplementary angles are two angles that add up to 180 degrees. In other words, if we have two...
Vertical Angles A pair of opposite congruent angles formed by intersecting lines Vertical angles are angles formed by the intersection of two lines. These angles are always...