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CBSE - IX
Cone
Cone is solid figure with a circular base that tapers to a point or vertex.
A Cone is said to be a right circular cone if its height is perpendicular to the radius of the base.
Let "r" be the base radius, "h" be the height, "l" be the slant height of a right circular cone. Then l=
Base area of the cone 
Curved surface area of the cone=
Total surface area of the cone=
Volume of Cone = 
Base area of a cone=
C.S.A of a cone=
T.S.A of a cone =
Volume of a cone= 
