" Bubba " Is like a total geinus, And is good friends with Bill Gates. He Ask me the Question : There is a 100 Foot Centimeter Sphere with a Pipe running around it. When the Pipers come to conect the Pipe to the other ends, It is ten feet to long. How high do the risers have to be on the pipe to make ends meet????? My Genius Uncle Gary Came up with " One and A Half Feet " , But thats not the answer, Acording to " Bubba " . HELP ME!