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avatarPurpleMint7852
Secondary I • 4mo.

How do you calculate the radius of a circle if you only know the area.

Mathematics
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  • Explanation from Alloprof

    Explanation from Alloprof

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      avatarMélissa Steacher check
      Team Alloprof • 4mo. edited December 2023

      Hi :)

      Here is the formula.

      image.png

      Ce contenu est protégé par le droit d'auteur. Toute reproduction à l'extérieur des forums Alloprof est interdite et pourra être considérée comme une violation du droit d'auteur.

      i-icon

      You need to isolate the r.

      You have A, who means area.

      To do that, you have to divide by π, and, then, make the square root of the result.

      The file on this subject is here if you need to review.

      https://www.alloprof.qc.ca/en/students/vl/mathematics/the-circumference-and-area-of-a-circle-m1479

      Ask if you have any other questions. :D Read you soon :)

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