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.
To dream that you are trying to catch your breath or that you are out of breath indicates that you are experiencing some anxiety, tension, or fear concerning a new situation in your waking life. To dream that you have bad breath suggests that you are feeling enclosed or crowded in. Perhaps someone is invading your personal space. To dream that you are holding your breath indicates your stubborn state of mind. Your views are too one-sided. The dream is telling you to be more open to the opinions of others.