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# Whats a way of getting pi?

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Whats a way of getting pi?

Guest Jun 3, 2017
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You could measure the circumference and the diameter of a circle and divide the circumference by the diameter to get an estimate for pi.

Will85237  Jun 3, 2017
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Here are some ways to calculate pi.

$$(2*(\frac{1}{2})!)^2=\pi$$

$$\frac{4}{1}-\frac{4}{3}+\frac{4}{5}-\frac{4}{7}+\frac{4}{9}-\frac{4}{11}+\frac{4}{13}-\frac{4}{15}\hspace{1mm}...=\pi$$

Cool, huh?

TheXSquaredFactor  Jun 3, 2017