Ezekiel 41:4

so he measured the length thereof twenty cubits, and the breadth twenty cubits, at the front of the temple.

1 Kings 6:20

And, the interior of the shrine, was twenty cubits in length, and twenty cubits in breadth, and twenty cubits in height, and he overlaid it, with pure gold, - and overlaid the altar with cedar.

Hebrews 9:3-8

But, after the second veil, a tent, that which is called Most Holy:

Exodus 26:33-34

And thou shalt hang up the veil under the clasps, - and shalt bring in thither, within the veil the ark of the testimony; and the veil shall make a division for you between the holy place and the most holy.

2 Chronicles 3:8

And he made the most holy house, the length whereof, was, according to the breadth of the house, twenty cubits, and, the breadth thereof, twenty cubits, - and he covered it with fine gold, to the number of six hundred talents;

1 Kings 6:5

And he built - by the wall of the house - a gallery, round about, against the walls of the house, round about, both to the temple, and to the shrine, - and he made side chambers round about.

1 Kings 6:16

And he built twenty cubits, at the hinder part of the house, with boards of cedar, from the floor as far as the cross-beams, - and he built it within, for a shrine, even for the holy of holies;

Revelation 21:16

And, the city, four-square, lieth, and, the length thereof, is as great as the breadth. And he measured the city, with the reed, - twelve thousand furlongs: the length, and the breadth, and the height thereof, are, equal.

Treasury of Scripture Knowledge

Summary

So he measured the length thereof, twenty cubits; and the breadth, twenty cubits, before the temple: and he said unto me, This is the most holy place.

Bible References

Twenty cubits

1 Kings 6:20
And, the interior of the shrine, was twenty cubits in length, and twenty cubits in breadth, and twenty cubits in height, and he overlaid it, with pure gold, - and overlaid the altar with cedar.
2 Chronicles 3:8
And he made the most holy house, the length whereof, was, according to the breadth of the house, twenty cubits, and, the breadth thereof, twenty cubits, - and he covered it with fine gold, to the number of six hundred talents;
Revelation 21:16
And, the city, four-square, lieth, and, the length thereof, is as great as the breadth. And he measured the city, with the reed, - twelve thousand furlongs: the length, and the breadth, and the height thereof, are, equal.

This

Exodus 26:33
And thou shalt hang up the veil under the clasps, - and shalt bring in thither, within the veil the ark of the testimony; and the veil shall make a division for you between the holy place and the most holy.
Hebrews 9:3
But, after the second veil, a tent, that which is called Most Holy: