| Euclides - 1838
...subtended by one of these, as the angular unit. Each degree is moreover supposed to be subdivided into 00 **equal parts, called minutes; and each minute into 60 equal parts, called seconds,** and so on. The angle subtended by any number of these will, therefore, be some fractional part of the... | |
| Thomas Kerigan - 1838
...circles of the spheres, is divided into 360 equal parts, called degrees ; each degree is divided into GO **equal parts, called minutes, and each minute into 60 equal parts, called seconds.** ,57 The Meridian of any place on the earth, is a semicircle which passes through that place, cuts the... | |
| Charles Davies - 1839 - 261 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.** PLANE TRIGONOMETRY \ As the circumference of a circle may be regarded as a proper measure of angles,... | |
| Charles Davies - 1839 - 334 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.** PLANE TRIGONOMETRY. V As the circumference of a circle may be regarded as a proper measure of angles,... | |
| J. David Parkes - 1839
...are called the twelve signs of the Zodiac. Each sign is divided into 30 equal parts, called degrees, **each degree into 60 equal parts, called minutes, and each minute into 60** seconds, and so on to thirds, fourths, fifths, &c. Abréviations. — * Sextile; a Quartile; Д Trine;... | |
| Augustus De Morgan - 1840 - 162 sider
...square of the radius by 3-1415927. * The right angle is divided into 90 equal parts called degrees, **each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.** Thus, 2° 15' 40" means 2 degrees, 15 minutes, and 40 seconds. To find the area of a sector, very nearly,... | |
| Augustus De Morgan - 1840 - 162 sider
...square of the radius by 3-1415927. - The right angle is divided into 90 equal parts called degrea, **each degree into 60 equal parts called minutes, and each minute into 60 equal parts called** seccnde. Thus, 2° 15' 40" means 2 degrees, 15 minutes, and 40 seconds. To find the area of a sector,... | |
| Charles Davies - 1840 - 252 sider
...angles. For this purpose it is divided into 360 equal parts, called degrees, each degree is divided **into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.** The degrees, minutes, and seconds, are marked thus, °, ', " ; and 9° 18' 10", are read, 9 degrees,... | |
| Charles Davies - 1835 - 359 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.** PLANE TR16ONOMETRY. As the circumference of a circle maybe regarded as a proper measure of angles,... | |
| Benjamin Franklin Edmands - 1841
...2. A DEGREE is the 360th part of a circle, and contains CPJ English miles ; each degree is divided **into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds.** They are marked (°) degrees, (') minutes, (") seconds. The LONGITUDE of a place, is its distance from... | |
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