**Curved surface area of a cone is 308 and its slant height is 14 cm. Find**

**(i) radius of the base and (ii) total surface area of the cone.**

**Solution (i)**

Let radius of the base of a cone **cm**

Curved surface area of a cone

Slant height of a cone **cm**

We know that Curved Surface Area of cone

**cm**

**Solution (ii)**

**Total Surface Area of the cone**