Text-book of Euclid's elements for the use of schools : books I - VI and XI (1900)
Hall, H. S. (Henry Sinclair), 1848-1934, Stevens, F. H. (Frederick Haller), 1853-1933 · MacMillan : London · leaf 435
The polygons are called the ends of the prism. A prism is saidto be right if the edges formed by each pair of adjacent parallelo-grams are perpendicular to the two ends ; if otherwise the prism isoblique. 15. A parallelepiped is a solid figure bounded by threepairs of parallel plane faces. Fig. i.…
Geometry · Mathematics
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