Thursday marks Pi Day, otherwise known as 3.14, which is the ratio of a circle's circumference to its diameter. While the average person can easily remember the rounded 3.14 ratio, the exact ratio has ...
It’s deliciously reliable, like cherry pie: Divide the circumference of any circle in the universe by its diameter, and you will always get the same number, pi, aka the Greek letter π. In fact, NASA ...
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