Exodus 38:1 in the King James Version
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.
Context
1 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.
2 He made its horns on its four corners. Its horns were of one piece with it, and he overlaid it with bronze.