Exodus 38:1 in the World English Bible
He made the altar of burnt offering of acacia wood. It was square. Its length was five cubits, its width was five cubits, and its height was three cubits.
Context
1 And he made the altar of burnt offering of shittim wood: five cubits was the length thereof, and five cubits the breadth thereof; it was foursquare; and three cubits the height thereof.
2 And he made the horns thereof on the four corners of it; the horns thereof were of the same: and he overlaid it with brass.