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 134
BOOK VI. 129 … THEOEEM XI. Similar triangular prisms are to each other as the cubes oftheir homologous edges. Let ABG—E and GBH—L be two similar triangularprisms; then will they beto each other as the cubeof any two homologousedges AB and GB. For, since the two prismsare similar, the faces con-taining the…
Geometry · Plane trigonometry
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