Cone

For a cone with base radius $r$, height $h$ and slant height $\ell$.

1. $\ell = \sqrt{r^2+h^2}$
2. Curved surface area $=\pi r \ell$
3. Total surface area $=\pi r \ell + \pi r^2$
4. Volume $=\dfrac{1}{3} \pi r^2 h$

Same Topic:

Circle Pyramid Similar Solids Sphere