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29 August, 06:33

This circle is centered at the origin (0,0) the radius is 4, what is the equation?

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  1. 29 August, 08:15
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    x^2 + y^2 = 16

    Step-by-step explanation:

    The equation of a circle is given by

    (x-h) ^2 + (y-k) ^2 = r^2 where (h, k) is the center and r is the radius

    (x-0) ^2 + (y-0) ^2 = 4^2

    x^2 + y^2 = 16
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