 | Anthony Nesbit - 1859 - 482 páginas
...circle, bounded \>y an arc and two radii. 47. The circumference of 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. 48. The arc of a quadrant contains 90 degrees,... | |
 | 1867 - 566 páginas
...following pages. 8. Degrees &c. — AU circles, whether great or small, are supposed to be divided into 860 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and and each minute into 60 equal parts, called seconds, &c.* 9. An Angle is the inclination of two... | |
 | Sidney Luxton Loney - 1953 - 346 páginas
...inconvenient unit of measurement on account of its size. We therefore subdivide a right angle into 90 equal parts called degrees, each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. The symbols used for a degree, a minute, and a... | |
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The circumference of 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. 
