Quote:
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Originally Posted by 1 Kings 7:23 King James Version
And he made a molten sea, ten cubits from the one brim to the other: it was round all about, and his height was five cubits: and a line of thirty cubits did compass it round about.
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Here is a cool picture to help understand what its describing:
It's saying the diameter of the circle at the surface is 10 cubits, and that the circumference of the circle is 30 cubits. (The 5 cubits is the depth, but that's irrelevant.)
So, according to this, the ratio of the circle's circumference to its diameter is 30/10 = 3.
However, its been known for a long time that the ratio of a circle's circumference to its diameter is 3.14159... (it's an irrational number, the decimals continue forever without any pattern).
https://en.wikipedia.org/wiki/Pi#History
I found this fascinating, and I hope you did too.