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If a hemisphere of radius r unit is plac...

If a hemisphere of radius r unit is placed on one end of a right circular cyllinder of radius r unit and height h unit and a right circular cone of radius r unit and height h unit on the other end of the cylinder , then the total surface area of the new solid object will be ` pir (2h+2r+sqrt(h^(2)+r^(2)))` sq - unit

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