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Its strands of recycled CDs trace the edges of a novel mathematical solid--a polyhedron made up of 20 equilateral triangles and 60 kite-shaped quadrilaterals. Spread out on the malt brown floor of the Renaissance Society this summer were 110 equilateral triangles of indigo cloth partially sewn together in a segmented field: Helen Mirra's Sky-Wreck, 2001. For example, Hobert said the students discovered on their own that two equilateral triangles make one square, and that two squares can make a rectangle. |
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