English: Several opaque forests for a unit square. Top left: the perimeter of the square, length 4. Top right: The perimeter of the square, less one edge, length 3. Bottom left: the steiner tree of the vertices, length 1 + √3. Bottom right: the conjectured optimal solution, length √2 + √6/2.
This trigonometry was created with an unknown SVG tool.
This SVG trigonometry shows a very simple image. Drawing uncomplicated graphics with a text editor seems more adequate than using a vector graphics program, and will often result in a dramatic reduction of file size.
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