The shaded sector has angle `120°` and radius `8` cm.
The shaded sector is cut away and the unshaded sector folded to make a cone with no base.
Find the radius of the cone.
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The shaded sector has angle `120°` and radius `8` cm.
The shaded sector is cut away and the unshaded sector folded to make a cone with no base.
Find the radius of the cone.
You did not answer this question.