What is the perimeter of a 3.5Cm wide square?

The perimeter of a square is calculated by adding the lengths of all four sides. Since all sides of a square are equal, in this case, each side of the square would be 3.5 cm. Therefore, the perimeter would be 3.5 cm + 3.5 cm + 3.5 cm + 3.5 cm = 14 cm.