The normal elementary geometry : embracing a brief treatise on mensuration and trigonometry : designed for academies, seminaries, high schools, normal schools, and advanced classes in common schools (1884)
Brooks, Edward, 1831-1912 · Philadelphia : Christopher Sower Co. · leaf 160
BOOK VII. 155 … THEOREM XI. The surface of a sphere is to the entire surface of the, circum-scribed cylinder, including its bases, as 2 to 3; and theirvolumes are to each other in the same ratio. Let AE be a cylinder circumscribed about a Bpherewhose centre is P; then, First. The surface of the sphere isto the…
Geometry · Plane trigonometry
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
