The square root of 16 is 4, times 4 (since a square has 4 sides) is 16.
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Perimeter of [ 16 x 26 ] rectangle = 16 + 16 + 26 + 26 = 84-ft . Perimeter of a 20-ft square = 4 x 20 = 80-ft . The rectangle has the greater perimeter.
If the area of the square is equal to 256 centimetres squared, then each side of the square would be sqrt(256) = 16.Therefore, given that a square has four sides of equal length, the perimeter of the square would be 16 x 4 = 64 centimetres.
16 √5 meters
Its perimeter is 4+4+4+4 = 16 units of measurement
A side length would be 64/4 which is 16 16 times 16 is 256