Chapter 12: Q 1: Two cubes each of volume 64 cm cube are joined end to end . find the surface area of the resulting cuboid. Q 2: A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. the diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. find the inner surface area of the vessel. #class10boardspreparations #class10importantquestions #surfaceareasandvolumes