1 Kings 7:23 (RSV)
also in 2 Chronicles 4:2
- 23
- Then he made the molten sea; it was round,
ten cubits from brim to brim,
and five cubits high,
and a line of thirty cubits measured its circumference.
- Since pi is the ratio of the circumference to the diameter (30:10),
pi equals 3
It's in The Book! No need to memorize 3.14159265358979...