Exodus 36:21

19 Additionally, he made for the tent a covering of ram skins dyed red, and over that a covering of fine leather.

20 Next, he constructed upright frames of acacia wood for the tabernacle.

Each frame was ten cubits long and a cubit and a half wide.

22 Two tenons were connected to each other for each frame. He made all the frames of the tabernacle in this way.

23 He constructed twenty frames for the south side of the tabernacle,

This was said to Israel at a particular time, so it is wise to read it together with the surrounding text. Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB
Each frame was ten cubits long and a cubit and a half wide.
KJV
The length of a board was ten cubits, and the breadth of a board one cubit and a half.
WEB
Ten cubits was the length of a board, and a cubit and a half the width of each board.
ASV
Ten cubits was the length of a board, and a cubit and a half the breadth of each board.
DARBY
ten cubits the length of the boards, and one cubit and a half the breadth of one board;
BLB
Ten cubits [is] the length of the board, and a cubit and a half cubit [is] the width of the one board,
ÅB
Hver planke var ti alen lang og halvannen alen bred.
OTB
Hver ramme målte ti alen i lengde og en og en halv alen i bredde,
B1930
Hver planke var ti alen lang og halvannen alen bred.

Study notes (Tyndale)

Original text and word study