Problem: Distance across=10 cubits, 30 Cubits around (Diameter=30, Circumference=5)
Verse: 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. Should not have been 30 cubits around should be 31.4 around
Solution: In 2 Chronicles 4:5 It Says:
And the thickness of it was an handbreadth, and the brim of it like the work of the brim of a cup, with flowers of lilies; and it received and held three thousand baths.
How does a handbreadth compare to a cubit
handbreadth. : any of various units of length varying from about 2¹/₂ to 4 inches based on the breadth of a hand.
Cubit: an ancient measure of length, approximately equal to the length of a forearm. It was typically about 18 inches or 44 cm, though there was a long cubit of about 21 inches or 52 cm.
Possible Solution 1: They were measuring the outside dimension not the inside dimension of the Molten sea. (The thickness of brass)
Posssible Solution: The Molten Sea also had a lip around it.