384 A dustbin in the form of a frustrum of a cone hallow cylinder mounted on the cicular base of shown in the fig The radii of arcular top and botton of 180m 5 the dustbin and it's sland height are вет sem and 26cm respectively The rades and height of the cylinder 8cm and 6cm respectively. If the total height of the вет the given solid is 30cm then find the volume of the ave 3 dustbin and also the curved surface area of the entire world. ​