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15 cm * 15 cm 5 cm Circle Diameter = 5.5 cm 2 cm 12.5 cm * 12.5 cm 5 cm, 2.5 cm, 5 cm 1.25 cm 1.25 cm 12.5 cm * 12.5 cm 2.5 cm 3.75 cm 5 cm * 2.5 cm 10 cm * 2.5 cm, 15 cm * 2.5 cm, 26.25 cm * 2.5 cm.