#
లంబ రేఖలు

Translated from original video
Title - Perpendicular Lines
URL -http://www.khanacademy.org/math/algebra/linear-equations-and-inequalitie/more-analytic-geometry/v/perpendicular-lines

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Translated from original video
Title - Perpendicular Lines
URL -http://www.khanacademy.org/math/algebra/linear-equations-and-inequalitie/more-analytic-geometry/v/perpendicular-lines