lesson
Proving Lines Are Parallel Using Angle Relationships
Use angle pair relationships as the converse of parallel line theorems to prove that two lines are parallel.
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This lesson is part of a track
Public learning track
Problem Solving and Proof with Parallel Lines
6 lessons
Goal
Solve complex multi-step angle problems involving parallel lines and transversals, and write formal proofs establishing or using angle relationships.
6 lessons
0 of 6 done
- Transversal Angle Problems With Parallel LinesUp next
- Finding All Angle Measures with Parallel Lines and a TransversalNot started yet
- Finding the Unknown Angle When One in a Pair Is GivenNot started yet
- Proving Angle Relationships with Parallel LinesNot started yet
- Proving Lines Are Parallel Using Angle RelationshipsYou are here
- Solving Multi-Step Angle ProblemsNot started yet
Learning standards covered
111.41(b)(6)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradeverify theorems about angles formed by the intersection of lines and line segments, including vertical angles, and angles formed by parallel lines cut by a transversal and prove equidistance between the endpoints of a segment and points on its perpendicular bisector and apply these relationships to solve problems;
Open Global Standard:OGM.11.GEO.4
111.41(b)(1)(G)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradedisplay, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.
Open Global Standard:OGM.11.GEO.1
OGM.11.GEO.4OGM.11.GEO.1