There is a tent in conical shape. The slant height of the tent is 14m. If the curved surface area of cone is 308m2, then base area of tent is
154
The curved surface area of a cone is πrl,where r is radius and l is slant height.
⇒308=πrl
⇒r=308×722×14=7 m
So, base area =πr2
=227×72
=154 m2