17.3 line relationships
DESCRIPTION
Brief explanation of intersecting, parallel, and perpendicular lines.TRANSCRIPT
Line Relationships
17.3
Intersecting Lines
• Lines that cross each other at exactly one point. They form four angles.
• Read It: Line AE intersects Line DC at point B.
• Write It: AE intersects DC at point B.
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Parallel Lines
• Parallel lines in the same plane never intersect and are always the same distance apart.
• Read it: Line AB is parallel to line DC
• Write it: AB DC
A B
C D
Perpendicular Lines
• These lines intersect to form four right angles.
• Line AE is perpendicular to line DC.
• Write it AE DC
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C
A
D
E
B
What line relationships do you see here?
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What line relationships do you see here?
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Describe
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A Z B
DYC
Describe
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