Ezekiel 43:16
And the altar shall be twelve cubits long, twelve broad, square in the four squares thereof.
Cross-reference
Ezekiel 43:14
Historical context
Ezekiel 43:14 gives the lower settle's measurements—part of the same altar structure described here sequentially.
Ezekiel 43:20
Historical context
Ezekiel 43:20 prescribes blood on the altar's horns and settle—applied to the structure measured here.
Exodus 27:1
Parallel
Exodus 27:1 describes the altar as square — same shape as the hearth in Ezekiel's vision, showing continuity.
Exodus 38:1
Parallel
Exodus 38:1 describes the altar of burnt offering as square — same shape as Ezekiel's altar hearth.
2 Chronicles 4:1
Parallel
2 Chronicles 4:1 describes Solomon's bronze altar as square — another precedent for a square altar.