Respuesta :

Answer:

D : x² + y² = 64

Step-by-step explanation:

x² + y² = 8²

x² + y² = 64

therefore, your answer is 64

rococo908

Answer:

D

Step-by-step explanation:

The circle equation is (x-h)² + (x-k)² = r²

Where (h,k) is the center of the circle and r is the radius

Since the center of this circle is at the origin and the radius is 8,

the equation will be x² + y² = 64

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