![File:How to make mathematical roller curve based on triangle.svg](http://upload.wikimedia.org/wikipedia/commons/thumb/4/49/How_to_make_mathematical_roller_curve_based_on_triangle.svg/600px-How_to_make_mathematical_roller_curve_based_on_triangle.svg.png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:08, 13 December 2010 | ![]() | 680 × 680 (56 KB) | AnonMoos | Diagram showing how to construct a mathematical "roller" (i.e. constant-width curve) based on any triangle. In the diagram, '''A''', '''B''', '''C''' are the vertices of the triangle, while '''a''', '''b''', '''c''' are the lengths of the opposing sides. |
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