Also he made a molten sea of ten cubits from brim to brim, round in compass, and five cubits the height thereof; and a line of thirty cubits did compass it round about.
( 2 Chronicles 4:2 )
Evil people want you to believe that the Bible gets the value of Π wrong so that you will reject it and forfeit the gift of everlasting life through faith in Jesus Christ. However the Bible gets the value of Π exactly right.