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Are All Right Angles Perpendicular? [Solved]
Two lines are perpendicular if and only if they form a right angle. Perpendicular lines (or segments) actually form four right angles, even if only one of the right angles is marked with a box.
Perpendicular lines and right angles
Says
Parallel, Perpendicular & Intersecting Lines Song
Thank you for watching our Parallel,
The Expert (Short Comedy Sketch)
Starring: Orion Lee, James Marlowe, Abdiel LeRoy, Ewa Wojcik, Tatjana Sendzimir. Subtitles available in many, many languages …