RUDE NUMBERS

The circumference of a circle is 2πr — the formula you learned once and pretend to remember.

✓ TRUE FACT

Circumference scales linearly with radius: double (r), and circumference doubles. For (r=10), circumference is about 62.83 units, using (2π×10).

More Rude Numbers facts

The word “integer” means “I’m whole,” which is exactly what it wants you to believe.The square root symbol was invented as a tiny roof for nervous numbers.A trapezoid has one pair of parallel sides — commitment issues in polygon form.The number 1/3 repeats forever because it’s stubborn about being incomplete.There are infinitely many irrational numbers — math’s way of saying “good luck counting.”The Cartesian coordinate system was developed by René Descartes — the man who put algebra on a graph and ruined blank paper forever.See all Rude Numbers facts →

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The circumference of a circle is 2πr — the formula you learned once and pretend to remember. | SmartAss Facts