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Course: Geometry (OPS pilot) > Unit 3

Lesson 4: Constructing parallel and perpendicular lines
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Geometry (OPS pilot)
Parallel and perpendicular lines
Constructing parallel and perpendicular lines
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Problem

Tanya started with point C and line AB↔ and constructed CE↔.
Which two statements, if true, guarantee that AB↔ is parallel to CE↔?
Choose 2 answers: