 | Jacob Abbot Cummings - 1820 - 346 σελίδες
...greater or less than a right angle% If greater it is an obtuse angle, if less it is w\ acute angle. A circle is a figure bounded by a curve line, called the cirtumference, which is every where equally distant from the centre. But a circle more frequently denotes... | |
 | Edward Riddle - 1824 - 572 σελίδες
...OP SPHERICAL TRIGONOMETRY. 1. A SPHERE is a solid bounded by a curve surface, every point of which is at the same distance from a point within, called the centre. Cor. 1. A sphere may be conceived to be generated by the revolution of a semicircle, about its diameter.... | |
 | Jacob Abbot Cummings - 1825 - 216 σελίδες
...greater or less than a right angle. If greater it is an obtuse angle, if less it is an acute angle. A circle is a figure bounded by a curve line, called the circumference, which is every where equally distant from the centre. But a circle more frequently denotes the circumference... | |
 | Thomas Curtis - 1829 - 814 σελίδες
...diameters of their bases. 11. A sphere is a solid bounded by a curve surface, every point of which is at the same distance from a point within, called the centre. 12. The diameter of a sphere is any right line passing through the centre and terminated both ways... | |
 | Henry Raper - 1840 - 700 σελίδες
...shortest distance between them is every where the same, as AB, CD. Such lines evidently never meet. 42. A CIRCLE is a figure bounded by a curve line called...circumference,* of which every point is at the same distance 12 NAVIGATION. from a point within, called the centre. and С tne centre. Thus, ABD is a circle, 43.... | |
 | Alexander Stewart - 1850 - 480 σελίδες
...distance from a point within, Called THE CENTRE. A CIRCLE is a round or curved line, every point in which is at the same distance from a point within, called THE CENTRE. Considered with respect to the enelosed surface, the curved line which contains it is often called... | |
 | Joseph Ray - 1857 - 348 σελίδες
...angles of a figure not next to each other. Thus, BU (Fig. Def. 14) is a diagonal of the square. 19. A CIRCLE is a figure bounded by a curve line, called the circumference, every part pf •which is equally distant from a point within, called the center. A DIAMETER is a straight... | |
 | Henry Raper - 1870 - 968 σελίδες
...shortest distance between them is every where the same, as AB, CD. Such lines evidently never meet. 74. A CIRCLE is a figure bounded by a curve line called...each degree, into sixty equal parts, called minutes (6(X) ; each minute into sixty seconds (60") ; and also each second, into sixty thirds (60"'). Example,... | |
 | Walter Smith - 1879 - 392 σελίδες
...by one endless curved surface, that is, by a surface unlimited by lines. Every point of this surface is at the same distance from a point within called the centre of the sphere. A ball can be used for illustration. A CONE. — The solid described by revolving a... | |
 | Henry Raper - 1908 - 1018 σελίδες
...distance between them is every where the same, us A 13, CD. Such lines evidently never meet. B D 74. A CIRCLE is a figure bounded by a curve line called the ri»ifiitc* of which every point is at the same distance from a point within, called the centre. Thus,... | |
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A CIRCLE is a figure bounded by a curve line called the circumference,* of which every point is at the same distance from a point within, called the centre. Thus, ABD is a circle, and C the centre. 