Remixedddddddddddddddddddddddddddddddddddd An circumfrence of a square can be caculated by used the formula (width x 2)+(height x 2) So. We have an square 6 cm in width. And 3 cm in height. We times the Width by 2. Which is 12 and also times the height by 2. Creating 6. By adding these 2 together. The circumfrence is 18. Also pls add me i didnt use chatgpt