Hemisphere is the exact half of a sphere. When a plane cuts across a sphere at its center, it forms two hemispheres. Surface area of a hemisphere of radius r is given by 2pr2. Volume of a hemisphere of radius r is given by 2/3pr3.
Falling dreams also often reflect a sense of failure or inferiority in some circumstance or situation. It may be the fear of failing in your job/school, loss of status, or failure in love. You feel shameful and a lost sense of self-esteem You are unable to keep up with the status quo and feel that you don't measure up.
Cry . To dream that you are crying indicates a release of depressing feelings that may be closely linked to actual happenings in your waking life rather than scenes from the dream itself. Your dream may be a means to restore some emotional stability whilst providing an appropriate outlet for your fears and frustrations.