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Parallel and Perpendicular Lines
A
B
C
D
E
. . . .
A
B
C
D
E
Objectives
Define parallel and perpendicular lines
Illustrate and prove the properties of parallel lines cut by a transversal
Prove the conditions under which lines and segments are parallel or perpendicular
Sections
A.
Introduction
B.
Definition of Parallel Lines
C.
Parallel Lines and Transversals
D.
Conditions for Parallel Lines
E.
Perpendicular Lines
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