 | John Playfair - 1842 - 332 σελίδες
...arc is the straight line which joins its two extremities. C. A straight line is said to be inscribed in a circle, when the extremities of it are in the circumference of the circle. And any straight line which meets the circle in two points, is called a secant. 5. A segment of a circle... | |
 | Chambers W. and R., ltd - 1842 - 744 σελίδες
...angle ; because, when a figure has many sides, it has necessarily a corresponding number of angles. A regular polygon has all its sides equal, and also all its angles ; an irregular polygon has its sides or angles, or both, unequal. A polygon of five sides is called... | |
 | Jonathan Pereira - 1843 - 158 σελίδες
...represent the face of a cube, the second that of the regular tetrahedon. Now, it will be perceived that the circumference of the circle passes through all...points of the figure about which it is described. AH these forms are equiexpanding. Fio. 23. The regular six-sided prism expands unequally in some directions,... | |
 | 1844 - 640 σελίδες
...represent the face of a cube, the second that of the regular tetrahedon. Now, it will be perceived that the circumference of the circle passes through all...points of the figure about which it is described. All these forms are equiexpanding. Fio. 23. The regular six-sided prism expands unequally in some directions,... | |
 | Euclid - 1845 - 218 σελίδες
...circumference of the . /""" "^~ I circle. V. BOOK IV. PROP. I. II. VI. A circle is said to be described about a rectilineal figure, when the circumference of the...points of the figure about which it is described. VII. A straight line is said to be placed in a circle, when the extremities of it are in the circumference... | |
 | Euclides - 1845 - 546 σελίδες
...circumference of the circle touches each side of the figure. VI. A circle is said to be described about a rectilineal figure, when the circumference of the...points of the figure about which it is described. VII. A straight line is said to be placed in a circle, when the extremities of it are in the circumference... | |
 | Euclid, John Playfair - 1846 - 334 σελίδες
...circumference of the circle touches each side of the figure. 6. A circle is said to be described about a rectilineal figure, when the circumference of the...points of the figure about which it is described. 8. Polygons of five sides are called pentagons ; those of six sides, hexagons ; those of seven sides,... | |
 | Euclides - 1846 - 292 σελίδες
...circumference of the circle touches each side of the figure. vi. A circle is said to be described about a rectilineal figure, when the circumference of the...points of the figure about which it is described. vn. A straight line is said to be placed in a circle, when the extremities of it are in the circumference... | |
 | Dennis M'Curdy - 1846 - 166 σελίδες
...circumference of the latter. And in this case, the circle is said to be inscribed in the rectilineal figure. 5. A straight line is said to be placed in a circle, when its extreme points are in the circumference. Propositions. 1 IP. In a given circle (ABC) to place a... | |
 | John Playfair - 1847 - 340 σελίδες
...circumference of the circle touches each side of the figure. 6. A circle is said to be described about a rectilineal figure, when the circumference of the...extremities of it are in the circumference of the circle. 8. Polygons of five sides are called pentagons; those of six sides, hexagons ; those of seven sides, hoptagons... | |
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A circle is said to be described about a rectilineal figure, when the circumference of the circle passes through all the angular points of the figure about which it is described. 7. A straight line is said to be placed in a circle, when the extremities... 
