Perfect Pentagons

Check out these neat stuffed balls. They are made of twelve pentagons, and for the ball to turn out nice and round, these pentagons should be exactly the same. Using a template will produce the same shape each time, but the template should be a perfect pentagon. Perfect, in this case, means more than doing an awesome job, it means that all the sides are the same length, and the angles where sides meet are also the sa
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