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Radius, diameter, circumference & π (video) | Khan Academy
Learn how the number Pi allows us to relate the radius, diameter, and circumference of a circle. Created by Sal Khan.
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可汗学院 - Khan Academy
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Ups. Da ist etwas schief gelaufen. Bitte versuche es noch einmal. Oh oh, es sieht so aus, als ob wir auf einen Fehler gestoßen sind. Du musst aktualisieren.Wenn dieses Problem weiterhin …
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Radius, diameter, & circumference (article) | خان اکیڈیمی
Learn the relationship between the radius, diameter, and circumference of a circle.
Khan Academy
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