Geometry Chapter 3

2 coplanar lines that do not intersect.

2 noncoplanar lines that do not intersect

If there is a line and a point not on that line, then there is exactly one line through the point parallel to the given line.

If there is a line and a point not on that lione there there is exactly one line through the point that is perpendicular to the given line.

Line that intersects 2 or more other lines at different points

If __ lines intersect to form a linear pair of congruent angles, then the lines are _____________

If 2 sides of __ adjacent ______ angles are perpendicular then the angles are ________________

If 2 lines are perpendicular then they _____________________________________.

PCA

PAI

PAE

PCIS

PCES

X || y and xTt then yTt

If a || b and b || c then a || c

A T c and b T then a || b

2 lines are || if they have the same slope and all vertical lines are ||