At a convention for lawyers it was known that of the 100 present, at least one was honest, yet if you met any two of the lawyers, you could guarantee that at least one of the two would be crooked. how many honest lawyers were present?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex