semicircular sheet of metal of radius 14 centimetre is bent to form an open conical Cup find the radius capacity of cup.
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when a semicircular sheet is folded at the centre ,the centre becomes the vertex of the cone and the radius becomes the slant height of the cone .
the area of semicircle becomes the curved surface area of the cup .
therefore ,
FOR ANSWER REFER TO THE PIC.
the area of semicircle becomes the curved surface area of the cup .
therefore ,
FOR ANSWER REFER TO THE PIC.
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