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 473
al to four rightangles. Similarly, no solid angle can be formed of the angles of a polygonof more sides than six. Thus there can be no more th^n Jive regular polyhedra. 452 Euclids elements. Note on the Regular Polyhedra. (i) The polyhedron of which each solid angle is formed bythree equilateral…
Geometry · Mathematics
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