Answer:
[tex]Perimeter = 48.0mm[/tex]
Step-by-step explanation:
Given
Shape: Square
[tex]Length = 12.0mm[/tex]
Required
Determine the perimeter
The perimeter is calculated as thus:
[tex]Perimeter = 4 * Length[/tex]
Substitute 12.0mm for Length
[tex]Perimeter = 4 * 12.0mm[/tex]
[tex]Perimeter = 48.0mm[/tex]
Hence, the perimeter of the square is 48.0mm