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The perimeter of a square with 2 inch sides is 8 inches.
A square with 4-inch sides, an octagon with 2-inch sides, several rectangles...
if it is a 2 inch square and the side lengths are doubled the side lengths would be 4. therefore 4+4+4+4=16 so the perimeter is 16inches squared.
4 in2 Square has four equal sides and you say the side is 1 inch. Hence perimeter is 4 inches
4 inches