Exodus 26:16 in the World English Bible
Ten cubits shall be the length of a board, and one and a half cubits the width of each board.
Context
15 And thou shalt make boards for the tabernacle of shittim wood standing up.
16 Ten cubits shall be the length of a board, and a cubit and a half shall be the breadth of one board.
17 Two tenons shall there be in one board, set in order one against another: thus shalt thou make for all the boards of the tabernacle.