Parallel and Perpendicular Lines

See attachments below
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Kat San,
Jun 10, 2010, 11:44 AM
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Kat San,
Jun 10, 2010, 11:45 AM
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Kat San,
Jun 10, 2010, 11:45 AM
Ċ
Kat San,
Jun 10, 2010, 11:45 AM
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