30) Top view of a hexagonal prism resting on HP with its bottom hexagonal face is

31) Top view of a tetrahedron resting on HP with one of its faces is

32) Front view of a pyramid resting on HP with its base is

33) Front view of a square prism with axis length three times the base edge length resting on HP with its base is

34) The diagonal passing through the C.G of the solid is