Diagram used to prove the theorem: “All points in the circumference of a circle of a sphere are equally distant from each of its poles.”
Arthur Latham Baker The Elements of Solid Geometr with Numerous Exercises (Boston, MA: Ginn & Company, 1893)
2127×2400, 354.6 KiB
907×1024, 37.8 KiB
567×640, 20.5 KiB
283×320, 8.8 KiB