 The circumference of every circle is divided into 360 equal parts, called degrees (arc-degrees), and corresponding to every one of these equal parts is an angle at the centre of the circle.  The Sciences Epitomized - Page 79by J. J. Hooke - 1870 - 97 pagesFull view - About this book
 | Charles Edward White - Arithmetic - 1897 - 312 pages
...line through the centre of a circle terminating at the circumference is A circle. the Diameter. D 143. The circumference of every circle is divided into 360 equal parts called Degrees, each degree into 60 parts called Minutes, and each minute into 60 parts called Seconds. 144. An Angle is the difference... | |
 | George Albert Wentworth - Arithmetic - 1897 - 396 pages
...by OA. The angle A OB is such a part of the angular magnitude about O as AB is of the circumference. The circumference of every circle is divided into 360 equal parts, called degrees (arc-degrees), and corresponding to every one of these equal parts is an angle at the centre of the... | |
 | George Albert Wentworth - Arithmetic - 1898 - 424 pages
...by OA. The angle A OB is such a part of the angular magnitude about 0 as AB is of the circumference. The circumference of every circle is divided into 360 equal parts, called degrees (arc-degrees), and corresponding to every one of these equal parts is an angle at the centre of the... | |
 | George Albert Wentworth - 1898 - 424 pages
...(LI. The angle A OB is such a part of the angular magnitude about 0 as AB is of the circumference. The circumference of every circle is divided into 360 equal parts, called degrees (arc-degrees), and corresponding to every one of these equal parts is an angle at the centre of the... | |
 | George Albert Wentworth - Arithmetic - 1898 - 424 pages
...by (M. The angle A OB is such a part of the angular magnitude about O as AB is of the circumference. The circumference of every circle is divided into 360 equal parts, called degrees (arc-degrees), and corresponding to every one of these equal parts is an angle at the centre of the... | |
 | Charles Edward White - Arithmetic - 1901 - 472 pages
...line through the centre of a circle terminating at the circumference is the * cime. Diameter. 203. The circumference of every circle is divided into 360 equal parts called Degrees, each degree into 60 parts called Minutes, and each minute into 60 parts called Seconds. 204. An Angle is the difference... | |
 | George Wentworth, David Eugene Smith - Arithmetic - 1911 - 316 pages
...in the circumference is called a radius. A radius is equal to half a diameter. 186. Measuring Arcs. The circumference of every circle is divided into 360 equal parts called degrees. Corresponding to every arc, like .47? in the figure, is an angle at the center, A OH. Therefore to... | |
 | George Albert Wentworth, David Eugene Smith - Arithmetic - 1912 - 374 pages
...order to be done 10 min. before the close of the class period ? DENOMINATE NUMBERS 134. Measuring Arcs. The circumference of every circle is divided into 360 equal parts called degrees. Corresponding to every arc, like AB in the figure, is an angle at the center, A OB. Therefore to every... | |
 | Frederick Thomas Hodgson - Carpentry - 1913 - 1208 pages
...understanding other problems. The circumference of every circle is measured by being supposed to be divided into 360 equal parts, called degrees; each degree containing 60 minutes, a smaller division, and each minute into 60 seconds, a still smaller division. Degrees, minutes, and... | |
 | George E. Mercer, Mabel Bonsall - Arithmetic - 1914 - 324 pages
...equally distant from the center. Any part of a circumference is an arc. A to B and B to C are arcs. The circumference of every circle is divided into 360 equal parts called degrees, each degree into i50 equal parts called minutes, and each minute into 60 equal parts called seconds. 5J^ of a circumference... | |
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