SOLUTION: A sector of circle has a radius 4cm. It is folded over to form a circular cone. Find the radius

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Question 1127155: A sector of circle has a radius 4cm. It is folded over to form a circular cone. Find the radius
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
A sector of circle has a radius 4cm.
It is folded over to form a circular cone.
Find the radius.
:
More information needed here, like the enclosed angle of the sector.