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29-03-2021
Mathematics

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A circular walk is 1.5 meters wide, if the outer circumference is 72 meters, what is the inside diameter of the walk?

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sqdancefan sqdancefan

30-03-2021

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Answer:

about 19.92 meters

Step-by-step explanation:

The circumference is ...

C = πd

72 m = πd . . . . . for outer diameter d

d = (72 m)/π

The inner diameter is 3 meters shorter, so is ...

inner diameter = (72/π) m - 3 m ≈ 19.92 m

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