| John Playfair - 1806 - 311 sider
...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.... | |
| Robert Simson - 1806 - 518 sider
...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 Mason Good - 1813
...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 - 528 sider
...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 - 317 sider
...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 - 227 sider
...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
...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 - 434 sider
...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 - 372 sider
...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
...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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