175,2 cm
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Assuming that it is a square of 9 cm by 9 cm, the perimeter is 36 cm.
15*9 cm = 135 cm = 53.15 inches. This is NOT the same as the area of 15 cm x 9 cm since that is not what the question was about.
Area of the square: 9 times 9 = 81 square cm
A = LW A = (9 cm)(4 cm) = 36 cm^2
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