Right Circular Cone

Right Circular Cone

Right Circular Cone

https://goo.gl/Sn4tWf

https://goo.gl/Fvpd4n

https://goo.gl/DsYEHT

https://goo.gl/2kDFDL

If r, h and ℓ denote respectively the radius of base, height and slant height of a right circular cone, then-

1. ℓ ² = r² + h²
2. Area of base = πr²
3. Curved (lateral) surface area = πrℓ
4. Total surface area = πr (ℓ + r)
5. Volume = 1/3 πr²h

NCERT Solutions for Class 9 Maths
http://www.learncbse.in/ncert-solutions-for-class-9-maths/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-number-system/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-2-polynomials/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-3-coordinate-geometry/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-linear-equations-in-two-variables/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-5-introduction-to-euclid-geometry/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-6-lines-and-angles/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-7-triangles/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-8-quadrilaterals/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-areas-of-parallelograms-and-triangles/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-10-circles/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-11-constructions/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-12-herons-formula/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-13-surface-areas-and-volumes/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-14-statistics/
http://www.learncbse.in/ncert-solutions-for-class-9-maths-chapter-15-probability/