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5:42
YouTube
Khan Academy
45-45-90 triangle side ratios | Right triangles and trigonometry | 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-trig/hs-geo-special-right-triangles/v/45-45-90-triangle-side-ratios Showing the ratios of the sides of a 45-45-90 triangle are 1:1:sqrt(2) Watch the next lesson: https://www.khanacademy.org/math ...
248.1K views
Oct 4, 2011
Watch full video
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