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Proving Lines Parallel

Worksheet (Geometry)

PDF: Geometry - geometry proofs, parallel lines

Proving Lines Parallel Worksheet


This free geometry worksheet requires the use of the properties of parallel lines including the Alternate Interior Angle Theorem, Corresponding Angles Theorem, and the Same-Side Interior Angle Theorem and their converses. Problems include the completion proofs and finding the values of missing angles to make a pair of lines parallel.

Lesson: 

To prove lines are parallel.

Subject: 

Number of Problems: 

7

Pages: 

3

Answer Key: 

Yes

Samples: 

Proving Lines Parallel

1-5) Find the value of x that makes a parallel to b.

6-7) Complete a two-column proof. (see worksheet for complete problems and figures)

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