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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



Respuesta :

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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