Writing equations of perpendicular lines | Mathematics I | High School Math | Khan Academy
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Writing equations of perpendicular lines | Mathematics I | High School Math | Khan Academy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/geometry/hs-geo-analytic-geometry/hs-geo-parallel-perpendicular-eq/v/perpendicular-lines-2 Given line A and point P, Sal finds the equation of the line perpendicular to A that passes through P. Created by Sal Khan ...
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