Video Transcript: Desmos Geometry Exploration: Parallel and Perpendicular Lines Grade: 9 - 12 Copyright Year 2020 Format PDF
Closed Captioned Video: Desmos Geometry Exploration: Parallel and Perpendicular Lines Grade: 9 - 12 Copyright Year 2020 Format HTML5
INSTRUCTIONAL RESOURCE: Nspire App Tutorial: Parallel and Perpendicular Lines Grade: 4 - 8 Copyright Year 2013 Format HTML5