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Perpendicular Lines
Lines, Rays & Line Segments
Congruent Line Segments
Parallel Lines
Perpendicular Lines
Transversals
Types of Angles Based Upon Degree Measurement
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Circles: Products of Secants
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Types of Triangles Based Upon Internal Angle Measurements
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Congruent Triangles
Pythagorean Theorem
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Perpendicular Lines
When two lines intersect to form right angles (i.e. 90°angles), they are referred to as
perpendicular
.
Referencing the figure above:
where the symbol ⊥ is used to denote perpendicularity.
Related Topics
:
Parallel Lines