| Abel Flint - 1835 - 366 sider
...parts, calle. .emicircles ; as AB or DE. Fig. 5. 14. The , jmference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minute*; and each minute into 60 equal parts, called seconds; and these into thirds, &c. NOTE. Since... | |
| John Lee Comstock - 1835 - 308 sider
...neai the star a. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into (50 parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign... | |
| John Lee Comstock - 1835 - 308 sider
...neai the star a. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into GO parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign... | |
| John Playfair - 1836 - 148 sider
...may be called the measure of the angle ABC, II. The circumference of a circle may be supposed to be divided into 360 equal parts called degrees ; and...each minute into 60 equal parts called seconds, &c. And as many degrees, minutes, seconds, &c. as are contained in any arc, of so many degrees, minutes,... | |
| Adrien Marie Legendre - 1836 - 394 sider
...trigonometrical calculation, the cir cumference of the 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. The semicircumference, or the measure of two right angles, contains 180 degrees ; the quarter of the... | |
| John Lee Comstock - 1836 - 308 sider
...appears to move Each of the 12 signs of the zodiac is divided (nto 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into BO parts, called seconds.) The division of the zodiac into signs, is of very ancient date, each sign... | |
| William Grier - 1836 - 384 sider
...angular point is read in the middle. Thus DAE. 57. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant... | |
| Mrs. L. H. Tyler - 1837 - 302 sider
...from the smallest to the largest, is conceived to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. These divisions are usually expressed by signs : thus, 15° 10' 15" signifies five degrees, ten minutes,... | |
| Charles Davies - 1837 - 342 sider
...trigonometrical calculations, the circumference of the 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. As the circumference of a circle may be regarded as a proper measure of angles, having their vertices... | |
| Commissioners of National Education in Ireland - 1837 - 290 sider
...circumference pf every circle is generally divided into 360 equal parts, called degrees ; and every degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. The angles are measured by the number of degrees contained in the arcs which subtend them ; thus, if... | |
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