Definition of Hemisphere. Hemisphere is the exact half of a sphere. More About Hemisphere. 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.
First, low water in the toilet BOWL case. If the water in the toilet BOWL is low after flushing, I see four likely causes, in order of most likelihood -. 1) the fill valve is not putting enough water into the toilet bowl.
1 The flush valve and flush handle is another reason that a toilet might run if they are in a bind or become stuck after the flush.  If the flapper valve is not properly installed in the tank, water will flow by into the toilet bowl and water will constantly try to fill the tank..