MJ Circumference = ? (Animation)

Author:Michael Juskiewicz, Tim Brzezinski

Let's try to find the circumference of a circle by wrapping diameters around it. Hit the "Start Animation!" button below and carefully observe what happens. (Be sure to answer the 2 questions that follow.)

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Trefoil Knot
apec
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רישום חופשי
¿Quién llegará más lejos en el mundial?

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