... plane so that the segments of the sphere have to each other the givenratio.(a) Let it be cut by the plane A. (1) Therefore the ratio of the segment of the sphere A to the segment of the sphere ... plane<passing> through the center, and let there be a section <of the sphere and the plane, namely> the circle AB, and let B be diameter, and K center, and let BZ be set equal to KB, and let BZ ... <circumference>EZ.(a) And let it have come to be, and let the segment of the sphereKM be similar to the segment AB – and let it have the surface equalto the surface of the segment EZ, (b) and let the centers...