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...and a square looks like a circle if you round it down as well. Doing so does make it lose its essence though, just like rounding down pi does. It is not for nothing after all that the ancients tried all sorts of tricks to find the actual numerical value of the ratio between a circle's radius and its circumference.

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While this is true, they were still able to build pretty significant things without such accuracy. Sure, if you keep rounding you can lose essence but rounding pi to 3 doesn't lose enough of the essence for practical usefulness. 3 works fine rough circles..it might not work fine for building a rocket or a some finer piece of machinery but for may things it works fine.

Besides, although I said what I did to make a valid point, I mostly said it to be humorous. Sorry I did not put in the humor tags.

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