The Elements of Solid Geometry |
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Page 17
... lateral surface is the sum of the lateral faces . 54. The lateral edges are the parallel edges . 55. Prisms are named from their bases ; if the bases are pentagons , as in the figure of ( 52 ) , the prism is called a pentangular prism ...
... lateral surface is the sum of the lateral faces . 54. The lateral edges are the parallel edges . 55. Prisms are named from their bases ; if the bases are pentagons , as in the figure of ( 52 ) , the prism is called a pentangular prism ...
Page 26
... lateral edges of the prism then become elements of the surface of the cylinder . FC is a prism inscribed in the cylinder FC . 88. A cylinder may be regarded as the limiting case of an inscribed prism , when the number of lateral faces ...
... lateral edges of the prism then become elements of the surface of the cylinder . FC is a prism inscribed in the cylinder FC . 88. A cylinder may be regarded as the limiting case of an inscribed prism , when the number of lateral faces ...
Page 28
... ' 93 . COROLLARY 3. Using V and a , as in ( 92 ) , and R to denote the radius of the base , then for any circular cylinder V = ( TR2 ) ( a ) . PROPOSITION XVIII . 94. THEOREM . The lateral surface of 28 THE ELEMENTS OF SOLID GEOMETRY .
... ' 93 . COROLLARY 3. Using V and a , as in ( 92 ) , and R to denote the radius of the base , then for any circular cylinder V = ( TR2 ) ( a ) . PROPOSITION XVIII . 94. THEOREM . The lateral surface of 28 THE ELEMENTS OF SOLID GEOMETRY .
Page 29
William C. Bartol. PROPOSITION XVIII . 94. THEOREM . The lateral surface of a prism is equal to the product of the perimeter of a right section by a lateral edge . K E H B Let DE + EF + FD be the perimeter of a right section of any prism ...
William C. Bartol. PROPOSITION XVIII . 94. THEOREM . The lateral surface of a prism is equal to the product of the perimeter of a right section by a lateral edge . K E H B Let DE + EF + FD be the perimeter of a right section of any prism ...
Page 30
William C. Bartol. 96. COROLLARY 2. The lateral surface of a right prism or cylinder is equal to the product of the altitude and the perimeter of the base . 97. COROLLARY 3. Lateral surfaces of right prisms or cylinders , if the ...
William C. Bartol. 96. COROLLARY 2. The lateral surface of a right prism or cylinder is equal to the product of the altitude and the perimeter of the base . 97. COROLLARY 3. Lateral surfaces of right prisms or cylinders , if the ...
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Common terms and phrases
ABC and DEF ABC-B altitude are equal axis base and altitude bases are equal bisecting centre circle circumference coincide common altitude common vertex conical surface COROLLARY cube cuboid DEFINITIONS diameter dicular diedral angle EDC-O equal with respect equivalent faces is called feet Find the volume frustum Hence inscribed prism intersection lateral edges lateral faces lateral surface Let the line line BA lune MN and PQ mutually equal O-ABCD oblique parallelopiped parallel planes parallelogram pass perimeter perpen perpendicular to MN plane angle plane MN plane PQ polar triangle polyedral angle prisms whose bases radii radius regular polyedrons regular polygon right angles right circular cone right prism right section SCHOLIUM sides slant height sphere spherical angle spherical excess spherical polygon spherical triangle straight line tetraedron THEOREM triangles ABC triangular prism triangular pyramids triedral
Popular passages
Page 48 - Assuming that the areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles...
Page 46 - Similar cylinders are to each other as the cubes of their altitudes, or as the cubes of the diameters of their bases.
Page 4 - If a straight line is perpendicular to each of two other straight lines at their point of intersection, it is perpendicular to the plane of the two lines.
Page 49 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Page 94 - Two triangles are equal if two sides and the included angle of the one are equal respectively to two sides and the included angle of the other (sas = sas). Hyp. In A ABC and A'B'C', AB = A'B', BC = B'C', and Z B = Z B'.
Page 46 - The lateral areas, or the total -areas, of two similar cones of revolution are to each other as the squares of their altitudes...
Page 6 - Theorem: If a straight line is perpendicular to one of two parallel planes, it is perpendicular, also, to the other plane.
Page 9 - ... meeting the plane at unequal distances from the foot of the perpendicular the more remote is the greater.
Page 56 - A spherical angle is measured by the arc of a great circle described from its vertex as a pole, and included between its sides, produced if necessary.