RD Sharma Class 9 Solutions Surface Area and Volume of A Right Circular Cone
Formulae Handbook for Class 9 Maths and ScienceEducational Loans in India
Summary:
 A Right circular cone is a solid generated by revolving a line segment which passes through a fixed point and which makes a constant angle with fixed line. The fixed point is called the vertex of the cone, the fixed line is called the axis of the cone.
 For a circular cone of base radius r, slant height l and height h, we have

 Curved surface area =πrl
 Total surface area = πr(l+r)
 Volume =
Chapter 20 Exercise 20.1
Chapter 20 Exercise 20.2
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