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 If the ballcock or float is not properly adjusted, it can cause the toilet to leak, running constantly. Water will just be washed away into the internal overflow and wasted.  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.