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circumference =22/7×63/10
99/5 =19.8cm
area = 3.14×(6.3)^2/2
39.69×1.57
62.3133cm^2
99/5 =19.8cm
area = 3.14×(6.3)^2/2
39.69×1.57
62.3133cm^2
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