 | Euclides - 1848 - 52 pages
...centre, and is terminated both ways by the superficies of the sphere. XVIII. A cone is a solid figure described by the revolution of a right-angled triangle...containing the right angle, which side remains fixed. I# the fixed side be equal to the other side containing the right angle, flie cone is called a right-angled... | |
 | John Bonnycastle - Geometry - 1848 - 320 pages
...DEFINITIONS. 1. The conic sections are such plain figures as are formed by the cutting of a cone. 2. *A cone is a solid described by the revolution of a right-angled triangle about one of its legs, which remains fixed. 3. The axis of the cone is the right line about which the triangle revolves.... | |
 | Charles Richson - 1848 - 98 pages
...formed. DEFINITION. — 1. "A cone is a solid figure described by the revolution of a right angled triangle, about one of the sides containing the right angle, which side remains fixed." " If the fixed side be equal to the other side containing the right angle, the cone is called a right... | |
 | Elias Loomis - Conic sections - 1849 - 252 pages
...about which the rectangle revolves. The opposite side of the rectangle describes the convex surface. 3. A cone is a solid described by the revolution of...containing the right angle, which side remains fixed. The base of the cone is the circle described by that side containing the right angle, which revolves. 4.... | |
 | Almon Ticknor - Measurement - 1849 - 156 pages
...the revolution of a rectangle about one of its sides, as an axis, which remains fixed ; as ABC D. 5. A cone is a solid described by the revolution of a right-angled triangle about one of its legs, which remains fixed ; as AB C. 6. A pyramid is a solid whose sides are all triangles meeting... | |
 | Euclides - Geometry - 1853 - 334 pages
...terminated both ways by the surface of the sphere. XVIII. A right cone is the solid figure generated by the revolution of a right-angled triangle about one of the sides including the right angle, which remains fixed. The cone is called a right-angled, an obtuse-angled,... | |
 | Samuel Maunder - 1853 - 852 pages
...figure described by the revolution of a circle. A rone in a solid figure described by the revolution ot a right-angled triangle about one of the sides containing the right angle. A cylinder is a solid figure described by the revolution of a right-angled parallelogram about one... | |
 | Euclides - 1855 - 230 pages
...center, and is terminated both ways by the superficies of the sphere. 16. A CONE is a solid figure described by the revolution of a right-angled triangle...containing the right angle, which side remains fixed. If the fixed side (AB) be equal to the other side containing the right angle (CB), the cone is said... | |
 | Isaac Todhunter - Geometry - 1855 - 332 pages
...sections, can be obtained by the intersection of a right cone and a plane. DBF. A cone is a solid figure described by the revolution of a right-angled triangle...one of the sides containing the right angle, which remains fixed. The fixed side is called the axis of the cone. Let OH be the fixed side, and OHO the... | |
 | Euclides - 1855 - 270 pages
...from the centre to the superficies of a sphere is called its radius ХТШ. A cone is a solid figure described by the revolution of a rightangled triangle...about one of the sides containing the right angle, that side remaining fixed. If the fixed side be equal to the other side containing the right angle,... | |
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A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed. 
