 | Robert Simson - 1806 - 546 pagina’s
...XXIX. An icosahedron is a solid figure contained by twenty equal and equilateral triangles. DEF. A. A parallelepiped is a solid figure contained by six...figures, whereof every opposite two are parallel. PROP. I. THEOR. ONE part of a straight line cannot be in a plane See N. and another part above it.... | |
 | John Playfair - 1806 - 320 pagina’s
...opposite are equal, similar, and parallel to each other ; and the others are parallelograms. Suppl. V. A parallelepiped is a solid figure contained by six...figures, whereof every opposite two are parallel. VI. A cube is a solid figure contained by six equal squares. > VII. A sphere is a solid figure described... | |
 | Euclid - 1810 - 554 pagina’s
...icosahedron is a solid figure contained by twenty equal and equilateral triangles. DEF. A. A parallelopiped is a solid figure contained by six quadrilateral figures, whereof every opposite two are parallel. PROP. I. THEOR. - • ONE part of a straight line cannot be in a plane See NOW. and another part above... | |
 | John Mason Good - 1813 - 714 pagina’s
...equiangular. 29. An jcosahedron is a solid figure contained by twenty equal and equilateral triangles. Def. A. A parallelepiped is a solid figure contained by six...figures, whereof every opposite two are parallel. Prop. I. Theor. One part of a straight line cannot be in a plane and another part above it. I'rop.... | |
 | Daniel Cresswell - 1817 - 454 pagina’s
...straight line drawn through the center of that polygon, perpendicular to the plane of its base. 3. A Parallelepiped is a solid figure contained by six...quadrilateral figures, whereof every opposite two are parallel : and a Rectangular Parallelepiped is one which is contained by rectangles, having their planes perpendicular... | |
 | John Playfair - 1819 - 350 pagina’s
...opposite are equal, similar, and parallel to one another : .and the others are parallelograms. '..V. A parallelepiped is a solid figure contained by six...figures, whereof every opposite two are parallel. XI. A cube is a solid figure contained by. six. equal square*. VII. A sphere is a solid figure described... | |
 | John Mason Good - 1819 - 800 pagina’s
...29. An icosahedron is a solid figure contained by twenty equal and equilateral triangles. Def. А. Л parallelepiped is a solid figure contained by six...figures, whereof every opposite two are parallel. Prop. I. Theor. One part of a straight line cannot be in a plane and another part above it. Prop. II.... | |
 | Rev. John Allen - 1822 - 516 pagina’s
...which are opposite, 'are equal, similar and parallel to each other, and the others, parallelograms. 11. A parallelepiped, is a solid figure, contained by...figures, whereof every opposite two are parallel. v 12. A sphere, is a solid bounded by one curve surface, every where equally distant from a point within... | |
 | George Crabb - 1823 - 704 pagina’s
...solid figure contained by twenty equal and equilateral triangles, as fig. 53. — A parallelepiped, a solid figure contained by six quadrilateral figures, whereof every opposite two are parallel. Iffitio. Ratio is a mutual relation of two magnitudes of the same kind to one another in respect of... | |
 | Peter Nicholson - 1825 - 1046 pagina’s
...XXIX. An icosahedron is a solid figure contained by twenty equal and equilateral triangles. DEF. A, A parallelepiped is a solid figure contained by six...figures, whereof every opposite , two are parallel. PROP. I. THEOREM. One part of a straight line cannot be in a plane, and another pari above it. If it... | |
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A parallelepiped is a solid figure contained by six quadrilateral figures, whereof every opposite two are parallel. 
