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9:57
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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/geometry-home/triangle-properties/triangle-property-review/v/review-of-triangle-properties Comparing perpendicular bisectors to angle bisectors to medians to altitudes Watch the next lesson: https://www.khanacademy ...
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