Exodus 36:9 in the King James Version
The length of one curtain was twenty and eight cubits, and the breadth of one curtain four cubits: the curtains were all of one size.
Context
8 All the wise-hearted men among those who did the work made the tabernacle with ten curtains of fine twined linen, blue, purple, and scarlet. They made them with cherubim, the work of a skillful workman.
9 The length of each curtain was twenty-eight cubits, and the width of each curtain four cubits. All the curtains had one measure.
10 He coupled five curtains to one another, and the other five curtains he coupled to one another.