the height of a cone is 16 cm and its base radius is 12 centimetre find the curved surface area and total surface area of a cone
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the height of a cone is 16 cm and its base radius is 12 centimetre find the curved surface area and total surface area of a cone
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=3.14×12×20
=753.60sq.cm
total surface area of cone =πr(l+r) =3.14×12(20+12)=1205.76sq.cm