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4.1 Detour Proofs and Midpoints (Lesson)
By AutenMath
A lesson on detour proofs (proofs of congruent triangles that are contingent on proving prior pair of triangles congruent) and on the formula for finding midpoints in a coordinate plane. The video also covers the use of the midpoint formula in a worked example requiring the development of an equation of the median of a triangle.