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Mathematics, 15.05.2021 01:10 winterblanco

A circular flower bed is 21 m in diameter and has a circular sidewalk around it that is 3 m wide. find the area of the sidewalk in square meters. use 3.14 for pi?

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A circular flower bed is 21 m in diameter and has a circular sidewalk around it that is 3 m wide. fi...
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