Example Problem #1 is solid with a circular base and known cross sections that are equilateral triangles. Diagrams and the solution are provided.
Example Problem #2 is solid with a circular base and known cross sections that are squares. Diagrams and the solution are provided.
Example Problem #3 is a solid with an equilateral triangle as the base and known cross sections that are equilateral triangles. Diagrams and the solution are provided