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31 July, 19:58

Which of the following is the equation of a circle whose center is at the origin and whose radius is 4

? School District of Manatee County

April Siegler

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  1. 31 July, 21:26
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    x² + y² = 16

    the equation of a circle centred at the origin is

    x² + y² = r² (where r is the radius)

    here r = 4, hence

    x² + y² = 16 ← is the equation of the circle
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