Solid Geometry: With Chapters on Space-lattices, Sphere-packs and Crystals

ABCD adjacent altitude axes axis base base-centred bisect cell cell-centred centroid circle common compound sphere-pack concurrent cone congruent construct coplanar COROLLARY corresponding cylinder density diagonals diameter dihedral angles distance draw dyad Enantiomorph equilateral triangles face angles facially regular solid Find graphically Find the volume four frustum given plane given point gonal hedron height hexagonal icosahedron inscribed length line joining line of intersection mid-points middle points monoclinic normal opposite edges orthorhombic pack parallel planes parallelepiped parallelogram pattern pentagons perpendicular polygon polyhedral angle prism prove pyramid rabat ratio rectangle regular dodecahedron regular octahedron regular polyhedron regular tetrahedron respectively rhombic rhombus right angles Show sides skew straight lines snub cube snub dodecahedron solid angles sphere of radius square star polygon surface tetra tetragonal Theorem triangle ABC trihedral vertex vertically regular solid