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OpenStudy (anonymous):
The circle formed by the blades of a fan has a circumference of eighty-one and five-sevenths inches. What is its diameter? Use twenty-two sevenths for pi.
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OpenStudy (anonymous):
twenty six inches
OpenStudy (anonymous):
You know that the circumference is 81 5/7, and pi is 22/7, so: 8157=227d 227d=5727 You can rearrange that equation to find d.
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