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A circular flower bed is 20 m in diameter and has a circular sidewalk around it that is 4 m wide. Find the area of the sidewalk in square meters. Use 3.14 for π. |
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Answer» Answer: r of OUTER CIRCLE = 10+4 = 14m area of outer circle = πr² = 3.14×14×14 = 615.44 m² area of flower bed = πr² = 3.14×10×10 = 314 m² area of sidewalk = 615.44-314 = 301.44m² ans. CHECK IT OUT!! |
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