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 138
divide the altitude, A T, into any number of equal parts, andthrough the points of division pass planes parallel to theplane of their bases, forming the sections DEF, DEF, etc., 12 134 GEOMETRY. and construct prisms in the two pyramids with these sectionsas upper bases. Now, the corresponding…
Geometry · Plane trigonometry
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
