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.
Falling in your dream means you are lacking any sense of security, stability and confidence. You are not sure where you stand in a particular circumstance or in your relationship. Perhaps you are at risk of losing your job or losing your home. Such loss can make you feel that the ground is falling away underneath you.