A rocket is in from of a circular cylinder closed at the lower end and a cone of the
Channel: Doubtnut
Date: 2020-04-19

A rocket is in from of a circular cylinder closed at the lower end and a cone of the same readius is attached to the top. The radius of the cylinder is 2.5 m, its height is 12m and the slant height of the cone is 8 m.Calculate the total surface area of the rocket .