π-♾️= 3.1415...
But!! I think maybe...
π×♾️= π♾️
I could be completely wrong!!!
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Surface area of a Babbitt bearing half
Think of pi as infinity. It never ends. You might mean "3.14" as an approximation of pi, though.
No. Infinity goes on forever, and thus is an 'infinitely' large number. Pi however, even though it has infinite decimal places, will never be a bigger number than what it is. By this I mean Pi can never be measured as 3.2. Or 3.15. Or 3.143. At least in my understanding.
2πr (2 times pi times the radius, or pi times the diameter)
The formula for area of a circle is radius squared times pi. The formula for volume of a cylinder is radius squared times pi times height.