File:Academ scale ratio cos 30deg.svg
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![File:Academ scale ratio cos 30deg.svg](http://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Academ_scale_ratio_cos_30deg.svg/625px-Academ_scale_ratio_cos_30deg.svg.png)
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Original file (SVG file, nominally 625 × 500 pixels, file size: 4 KB)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:07, 18 September 2011 | ![]() | 625 × 500 (4 KB) | Baelde | the classical formula a² + b² = c² holds with the new notations, the red and green lines are more shiny, etc. |
09:48, 23 May 2010 | ![]() | 450 × 360 (3 KB) | Baelde | {{Information |Description={{en|1=The image shows the value of ''cos''(30°). The triangle BCK is equilateral. The orthogonal projection onto (KC) transforms the midpoint A of [BK] into H. A tiling fills BCK with eight right triangles, congruent one |
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