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Secondary I • 6mo.

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

Mathematics
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Explanations (1)

  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

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    Team Alloprof • 6mo. edited December 2023

    Hi :)

    Here is the formula.

    image.png

    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.

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

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