Input interpretation:



The tangram is a combination of plane polygonal pieces such that the edges of the polygons are coincident. There are 13 convex tangrams (where a "convex tangram" is a set of tangram pieces arranged into a convex polygon).\nCuriously, a tangram with colored squares is part of the logo for the Dynegy company.

Related topics:

origami  |  stomachion  |  tangram paradox

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