Exodus 38:18

18The curtain for the entrance to the courtyard was embroidered with blue, purple, and scarlet yarn, and finely spun linen. It was twenty cubits long38:18 20 cubits is approximately 30 feet or 9.1 meters. and, like the curtains of the courtyard, five cubits high,38:18 5 cubits is approximately 7.5 feet or 2.3 meters.