NET
3 Solomon laid the foundation for God’s temple; its length (determined according to the old standard of measure) was 90 feet, and its width 30 feet.
Darby
3 And this was Solomon's foundation for the construction of the house of God. The length by cubits after the first measure was sixty cubits, and the breadth twenty cubits.
KJV
3 Now these [are the things wherein] Solomon was instructed for the building of the house of God. The length by cubits after the first measure [was] threescore cubits, and the breadth twenty cubits.