 | Robert Simson - 1806 - عدد الصفحات: 546
...passes through the 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 about one of the sides containing the right angle, which side remains fixed.... | |
 | John Playfair - 1806 - عدد الصفحات: 320
...which passes through the centre, and is terminated both ways by the superficies of the sphere. I XL 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.... | |
 | John Mason Good - 1813 - عدد الصفحات: 714
...which passes through the centre, and is terminated both ways by the superficies of the sphere. 1 8. 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 remaint fixed.... | |
 | Euclides - 1816 - عدد الصفحات: 588
...which passes through the 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 about one of the sides containing the right angle, which side remains fixed.... | |
 | John Playfair - 1819 - عدد الصفحات: 354
...which passes through the centre, and is terminated both ways by the superficies of the sphere. XI. 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.... | |
 | Bewick Bridge - 1821 - عدد الصفحات: 648
...should not have cut the Curve. CONIC SECTIONS. CHAP. I. INTRODUCTION. A CONE is a solid figure formed by the revolution of a right-angled triangle about one of its sides (Euc. B. XI. Def. 18.). From the manner in which this solid is generated, it is evident that if it... | |
 | George Crabb - 1823 - عدد الصفحات: 704
...figure described by the revolution of a semicircle, as CBA round its diameter CA, as in fig. 44. — A cone is a solid figure described by the revolution of a rightangled triangle, ABC, about one of the sides containing the right angle, as AB, fig. 45. If the fixed side be equal... | |
 | Anthony Nesbit - 1824 - عدد الصفحات: 476
...triangles, meeting in a point, called the vertex of the pyramid. 9. A cone is a solid conceived to be described by the revolution of a right-angled triangle about one of its legs, which remains fixed, and is called the axis of the cone ; or it is a pyramid of an infinite number... | |
 | Peter Nicholson - 1825 - عدد الصفحات: 1046
...which passes through the 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 about one of the sides containing the right angle, which side remains fixed.... | |
 | Peter Nicholson - 1826 - عدد الصفحات: 390
...solid, bounded by plane surfaces, all but one of which meet in one point. A RIGHT CONE is a solid, described by the revolution of a right-angled triangle about one of its legs. The leg, or the une round which the triangle revolves, is called the axis of the cone ; and the... | |
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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. 
