This geometry video tutorial focuses on detour proofs which is basically proving that two triangles are congruent twice. Triangle congruence theorems in this lesson include the SSS, SAS, and AAS postulates. This geometry video contains two examples on two column proofs with cpctc. Triangle Congruence - SSS, SAS, ASA: https://www.youtube.com/watch?v=jWHOF6cFbpw CPCTC - 2 Column Proofs With Triangles: https://www.youtube.com/watch?v=eq1frp_ZyP8 Hypotenuse Leg Theorem - HL Postulate: https://www.youtube.com/watch?v=DKSTjS0n3mY The Midpoint Formula: https://www.youtube.com/watch?v=pzDfd8NXRXk Missing Diagrams - 2 Column Proofs: https://www.youtube.com/watch?v=IaqzuGweGZ8 ________________________________ Right Angle Theorem - SSS & SAS: https://www.youtube.com/watch?v=FRbFMp8mg1s Perpendicular Bisector Theorem: https://www.youtube.com/watch?v=xyNBZuUjmSE Altitude, Median, Midpoint & P. Bisector: https://www.youtube.com/watch?v=SyzkgBjXtIs Parallel & Perpendicular Lines - Slope: https://www.youtube.com/watch?v=bq3fKZVTflU __________________________________ Indirect Proofs - Example Problems: https://www.youtube.com/watch?v=GawWGpnjy1c Proving Parallel Lines With Proofs: https://www.youtube.com/watch?v=0eYzPVgylO8 The Exterior Angle Theorem: https://www.youtube.com/watch?v=ndqxxAUDF5Y Exterior Angle Inequality Theorem: https://www.youtube.com/watch?v=rfMZwrq-wL8 Polygons: https://www.youtube.com/watch?v=E_-3ulbtcLk _______________________________________ Final Exams and Video Playlists: https://www.video-tutor.net/ Full-Length Videos and Worksheets: https://www.patreon.com/MathScienceTutor/collections