 | Thomas Simpson - 1799 - 92 páginas
...fuppofed divided into fome affigned number of equal parts. 2. The periphery of every circle is fuppofed to be divided into 360 equal parts, called degrees...minutes; and each minute into 60 equal parts, called feconds, or fecond minutes, &c. ' B a 3- Any HK/ 3. Any part AB of the periphery of the circle is called... | |
 | William Taylor (teacher of the mathematics.) - 1800 - 556 páginas
...called the Radius. 8. The circumference of every circle is divided into 360 equal parts called Degrees ; each degree into 60 equal parts, called Minutes ;...and each minute into 60 equal parts, called Seconds, &c. Any part of the the circumference is called an Arch. 9. The Chord of an arch, is a right line joining... | |
 | Thomas Simpson - 1800 - 448 páginas
...fuppofed divided into fome affigned number of equal parts. 2. The periphery of every circle is fuppofed to be divided into 360 equal parts, called degrees ; and each degree into 60 cgual parts, called minutes, and each minute into 60 equal parts, called feconds, or fccond minutes,... | |
 | 1801 - 446 páginas
...the two sides, that, which stands at the angular point, is rend in the middle. C 56. The 39° 5 6. The circumference of every circle is supposed to be...equal parts, called degrees ; and each degree into 60 minutes, each minute into do seconds, and so on. Hence a semicircle contains 1 80 degrees, and a quadrant... | |
 | Abel Flint - 1804 - 226 páginas
...the Centre ; and it divides the Circle into two equal parts, called Semicircles ; as AB or DE. 14. The. Circumference of every Circle is supposed to...and each Minute into 60 equal parts, called Seconds ; jktl these into Thirds, &c. Ifote. .-Since all Circles are divided into the same number of Degrees,... | |
 | Robert Simson - 1804 - 530 páginas
...; the arch AC is called the meafure of the angle ABC. II. The circumference of a circle is fuppofed to be divided into 360 equal parts called degrees,...minutes, and each minute into 60 equal parts called feconds, &c. And as many degrees, minutes, feconds, &c. as are contained in any arch, of fo many degrees,... | |
 | David Steel - 1805 - 392 páginas
...centre to the circumference of a circle, is called a Radius. All the radii of the same circle are equal. The circumference of every circle is supposed to be divided into 360 parts, called degrees; each degree into 60 equal parts, called minutei; and each minute into 60 equal... | |
 | Robert Simson - 1806 - 546 páginas
...called the measure of th« angle ABC. n. The circumference of a circle is supposed to be divided info 360 equal parts called degrees, and each degree into...and each minute into 60 equal parts called seconds, i: >.. And as many degrees, minutes, seconds, &c. as are contained in any arch, of so many degrees,... | |
 | John Bonnycastle - 1806 - 464 páginas
...by an arc of a circle contained between its two legs, and having the angular point for its centre. Every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts, called seconds... | |
 | John Hamilton Moore - 1807 - 586 páginas
...circles, whether great or fmall, are actually, or fuppofed to have, their circumference divided 11110360 equal parts, called degrees, and each degree into...minutes, and each minute into 60 equal parts, called féconds, and fu on into thirds, fourths, &c. All angles are msafurcd by an arch of a circle, defcribed... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c. 
