Geometry

The postulate illustrated here is B."If two planes intersect, then their intersection is a line."

In the "If" part of the diagram, two planes are shown intersecting each other. The "then" part clearly depicts that the intersection of these two planes results in a line, which directly demonstrates this postulate.

A.The statement "If two points lie in the plane, then the line containing them lies in the plane" is about the relations...