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The diameter of a circle is 84 kilometers. What is the circle's 周长?Use ​pi \approx3.14 and round your answer to the nearest hundredth.

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解答

Thediameterofacircleis84kilometers.Whatisthecircle′scircumference?Use​π≈3.14androundyouranswertothenearesthundredth.

解答

circumference:84πkm
+1
十进制
263.89378…
求解步骤
Given:diameter:84km
给定 d=84的圆周长:C=84π
circumference:84πkm

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