4 times the length of its side.
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4 by 4 units
Perimetre of squre is 4*(side) and side is 8 cm so perimetre is 4*8=32cm
A square with a side length of 20 cm (80/4) has an area of 400 cm2
length plus width equals perimetre
^Perimetre. Outer length of a shape.