 | Nathan Scholfield - 1845 - 894 pages
...circumference may be regarded as the measure of angular magnitude. For this purpose the circumference of the circle is supposed to be divided into 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, and each minute into CO equal... | |
 | Nathan Scholfield - Conic sections - 1845 - 542 pages
...circumference may be regarded as the measure of angular magnitude. For this purpose the circumference of the circle is supposed to be divided into 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, and each minute into 60 equal... | |
 | Charles Davies - Arithmetic - 1846 - 370 pages
...leaving 236, the number of days required ; and so of others. DIVISION OF THE CIRCLE MEASURE OF TIME. 40. Every circle is supposed 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. For astronomical... | |
 | Charles Davies - Geometrical drawing - 1846 - 254 pages
...? The circumference of a circle is used for the measurement of angles. 26. How is it divided? 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,... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1876 - 230 pages
...line drawn through the center, and terminated by the circumference, as AE. 173. The circumference of every circle is supposed to be divided into 360 equal parts, called Degrees. 370* What is a Circle ? The Circumference of a circle ? What is an Arc of a circle ? A Diameter? How... | |
 | Thomas Milner - 1876 - 818 pages
...equator or the meridians. Small circles, such as the tropics, divide the globe into two unequal parts. Every circle is supposed to be divided into 360 equal parts, called degrees ; every degree into sixty equal parts, called minutes ; and every minute into sixty equal parts, called... | |
 | James Martin (of the Wedgwood inst, Burslem.) - 1876 - 334 pages
...where it touches the circle is called the point of contact. Ex. B. NOTE 1. — The circumference of every circle is supposed to be divided into 360 equal parts, called degrees, marked °. Hence, a semicircle will contain 180°; a quarter of a circle, or a quadrant, 80° ; the... | |
 | Benjamin Greenleaf - Arithmetic - 1879 - 238 pages
...line drawn through the center, and terminated by the circumference, as AE. 173. The circumference of every circle is supposed to be divided into 360 equal parts, called Degrees. B180" 270" What is a Circle ? The Circumference of a circle ? What is an Arc of a circle ? A Diameter?... | |
 | Popular encyclopedia - 1879 - 530 pages
...pole. The brazen meridian is the circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be divided into 360 equal parts, called dfgrees; each degree into 60 equal parts, called minutes; each minute into 60 equal parts, called seconds,... | |
 | James Morton - Circle-squaring - 1881 - 236 pages
...sign, 1 quadrant, 1 circumference. The circumference of the globe, like every other circumference, is divided into 360 equal parts, called degrees; each degree is divided into 60 equal parts, called miles or minutes. Three miles are called a league. Geographical or Nautical Measure.... | |
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The circumference of every circle is supposed to be divided into 360 equal... 
