Chapter 3

Learning Resources:

Lines and Angles:

• https://www.wyzant.com/resources/lessons/math/geometry/lines_and_angles/angle_theorems
• https://www.ck12.org/book/CK-12-Interactive-Geometry-for-CCSS/section/4.2/
• https://www.hpschools.org/site/handlers/filedownload.ashx?moduleinstanceid=5061&dataid=8952&FileName=Unit%203%20Notes%20Packet.pdf

Prove Lines Parallel:

• https://www.wsfcs.k12.nc.us/site/handlers/filedownload.ashx?moduleinstanceid=17349&dataid=63792&FileName=L3.4.pdf
• https://d3jc3ahdjad7x7.cloudfront.net/hpVWp3aRj02iBsqLfsjZymUMt4n52AChZsT2915C1oaWUlYL.pdf

Parallel Lines and Triangles:

• https://sites.google.com/a/mercyhsb.com/asc/parallel-lines-and-tri
• https://www.mathplanet.com/education/geometry/perpendicular-and-parallel/angles-parallel-lines-and-transversals
• https://www.youtube.com/watch?v=zh14CwxKs-0

Slopes of Parallel and Perpendicular Lines:

• https://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut28_parpen.htm
• https://www.mathwarehouse.com/algebra/linear_equation/parallel-perpendicular-lines.php

Practice:

Lines and Angles:

• https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-transformations-definitions/e/line-and-angle-proofs
• http://www.softschools.com/ccss/high_school_geometry/proofs_involving_angles/
• http://www.classzone.com/books/geometry/lessonquiz_national.cfm
• https://www.proofcompanion.com

Prove Lines Parallel:

• https://www.ixl.com/math/geometry/proofs-involving-parallel-lines
• https://mathbitsnotebook.com/Geometry/ParallelPerp/PPparallelProofs.html

Parallel Lines and Triangles:

• http://www.piemath.net/downloads/files/0001_hsm11gmtr_0301.indd.pdf
• https://www.khanacademy.org/math/basic-geo/basic-geometry-shapes/triangle-angles/e/triangle_angles_1

Slopes of Parallel and Perpendicular Lines:

• http://www.wallace.ccfaculty.org/book/2.5%20Parallel%20and%20Perpendicular%20Practice.pdf
• https://www.ixl.com/math/algebra-1/slopes-of-parallel-and-perpendicular-lines