Answer:
Area of the square=[tex]144 mm^2[/tex]
Step-by-step explanation:
A square is a parallelogram with all its sides equal and at right angles to each other.
Area of a Square= [tex]Side* Side[/tex]
If, [tex]side=12 mm[/tex]
Area of the square:
[tex]=12*12\\\\ 144mm^2[/tex]
The Area of the square with side [tex]12mm[/tex] is [tex]144 mm^2[/tex]
