Respuesta :

MrsStrong

Answer:

2√2

Step-by-step explanation:

To write the equation of a circle, use the formula [tex](x-h)^2+(y-k)^2 = r^2[/tex] where the center of the circle is (h, k).

This means the equation is [tex]x^2 + y^2 = 8[/tex] has [tex]r^2 = 8[/tex]. This means the radius is √8 = 2√2.

SweetyPie12

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THE ANSWER BE THIS: [tex]2\sqrt{2}[/tex]

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