Respuesta :

Answer:

x² + y² = 11

Step-by-step explanation:

The equation of a circle centred at the origin is

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

Here r = [tex]\sqrt{11}[/tex] ⇒ r² = ([tex]\sqrt{11}[/tex] )² = 11, thus

x² + y² = 11 ← equation of circle

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