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Error Analysis  The diameter of the circle is 18 m. Eugene incorrectly says that the circumference of the circle is about 113.04 m. What is the circumference of the​ circle? What mistake did Eugene ​make? Use 3.14 for pi.
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The circumference of the circle is about
  
enter your response here m.
​(Type an integer or decimal rounded to the nearest hundredth as​ needed.)

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Answered by GPT-5 mini AI
The circumference is C = πd = 3.14·18 = 56.52 m.

Eugene’s mistake: he used C = 2πr with r = 18 (treating 18 as the radius), giving 2·3.14·18 = 113.04 instead of using the diameter.