
National Pi Day
March 14 is National Pi Day -- that's pi as in the mathematical constant, 3.14. Hence the date 3/14/17. So if you multiply the diameter of a circle by 3.14 that will equal the circumference of the circle. A very useful...
March 14 is National Pi Day -- that's pi as in the mathematical constant, 3.14. Hence the date 3/14/17. So if you multiply the diameter of a circle by 3.14 that will equal the circumference of the circle. A very useful...
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