The net on the right is the one that folds into the polyhedron. You may be able to visualize the folding in your head or analyze how the edges line up. Either way, it is fun and worthwhile to print out the shape, cut it out, and fold it into a polyhedron.
Thursday, October 1, 2015
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PLAYFUL MATH BLOG CARNIVAL #163
BLOG CARNIVAL #163....LET'S GO! Fun fact: The number 163 is prime, which we can prove simply by showing that it is not divisible by 2, 3...

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The scales below are balanced. Each scale is a different puzzle. For each scale, start by taking off as many blocks as you can from each si...
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To a topologist, two shapes are "the same" if one can be stretched, twisted, and distorted into the other shape without b...
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