9. A spherical watermelon of radius 4 cm is halved. The uniform width of the white part surrounding the red edible part is 1 cm. From half of the melon, the red part of the fruit is scooped out. Taking n = 3.14, find:- (i) the volume of the edible part of the fruit taken out (ignore the volume of seeds). (ii) the surface area of the white part of that hemispherical piece. ​