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Mathematics, 27.05.2021 21:50 bigcm3497

At a zoo, the lion pen has a ring-shape sidewalk around it. The outer edge of the sidewalk is a circle with a radius of 10 m. The inner edge of the sidewalk is a circle with a radius of 7 m. Find the approximate area of the blue circle. Use 3.14 to approximate n. 10 m 7 m​

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