Beman, Wooster Woodruff, 1850-1922, Smith, David Eugene, 1860-1944 · Boston, Ginn & company · leaf 381
Polyhedra which have equal face and equal dihedral angles,and equal edges, but have these parts arranged in reverseorder, are said to be symmetric. The polyhedral angles are then respectively symmetric. Proposition XXIX. 500. Theorem. If two polyhedra are similar, their corre-sponding face and… … Given two similar polyhedra, JlBlCl and A.Ji.J\ , or AXBXCX and ASB9CB Prop. XXIX.] SIMILAR SOLIDS. 365 To prove that (1) Z BlA1I)1 = Z B%AJ>% or Z B3AZD3; (2) dihedral angle with edge AXBX = dihedral anglewith edge A2B2, or with edge A3B3; (3) polyhedral angle Ax = polyhedral angle A2 andis…
Geometry
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