If a right circular cone, having maximum volume, is inscribed in a sphere of radius 3 cm, then the curved surface area (in cm2) of this cone is :

Question

If a right circular cone, having maximum volume, is inscribed in a sphere of radius 3 cm, then the curved surface area (in cm²) of this cone is :

$6\sqrt 2 \pi $

$6\sqrt 3 \pi $

$8\sqrt 2 \pi $

$8\sqrt 3 \pi $

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