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6:29
YouTube
Khan Academy
Equilateral triangle sides and angles congruent | Congruence | Geometry | 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-congruence/hs-geo-congruence-theorems/v/equilateral-triangle-sides-and-angles-congruent Showing that all of the angles of an equilateral triangle are 60 degrees Practice this lesson yourself on ...
148.1K views
Sep 29, 2011
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