 | Alexander Ingram - 1883 - 190 pages
...-eight days clear, And twenty-nine in each leap-year. ANGULAR MEASURE, OB DIVISIONS OF THE CIRCLE. 60 seconds * =1 minute ' 60 minutes = 1 degree 30 degrees = 1 sign ». 12 signs — 1 circle circ. APOTHECARIES' FLUID MEASURED 60 minima Щ_ =1 dram 5 8 drams = 1 ounce... | |
 | C. Frusher Howard - Ready-reckoners - 1884 - 144 pages
...CIRCLES; OR ANGLES. The UNIT is the <ferree, which is 1-860 part of the circumference of any circle. 60 Seconds (") = 1 Minute. ' 60 Minutes . = 1 Degree. ° 30 Degrees = 1 Sign. S Place. Lat. o / 51 13 N 31 12 6432 3758 3« 11 36 47 5222 5 34 2 41 23 18 56 r>3 5 5230 5051 51 26... | |
 | Albert Newton Raub - Arithmetic - 1894 - 170 pages
...Angular Measure is used in measuring angles and arcs of circles. The following is the table used : TABLE. 60 seconds (") = 1 minute, ('). 60 minutes = 1 degree, (°). 30 degrees = 1 sign, S. 12 signs or ) , . . ... •>CA jr =1 circle, C. 360 degrees j 1. How many degrees in the circumference... | |
 | Albert Newton Raub - Arithmetic - 1894 - 200 pages
...degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. TABLE. 60 seconds (") =1 minute, (' ). 60 minutes = 1 degree, ( ° ). 30 degrees = 1 sign, s. 12 signs or 360° = 1 circumference, c. 90° = 1 quadrant, or right angle. ORAL EXERCISE. 1. How... | |
 | Horatio Nelson Robinson - Arithmetic - 1895 - 526 pages
...space about a point in any plane. The table is made up of divisors and multiples of this unit. TABLE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 30 degrees = 1 sign (S.). 12 signs, or 300°, = 1 circle (C.). UNIT EQUIVALENTS. ' II a 1 = 60. S. 1 = 60 = 3600. C. 1... | |
 | Edward Brooks - Arithmetic - 1895 - 424 pages
...Aright angle is measured by 90 degrees, or a quadrant ; half a right angle, by 45 degrees, etc. TABLE. 60 seconds (") =1 minute ' 60 minutes = 1 degree ° 30 degrees =1 sign S. 1. The unit is the degree, which is ^J5 of the circumference of a circle. A quadrant is one-fourth... | |
 | Edward Brooks - Arithmetic - 1895 - 248 pages
...its sides. A right angle is measured by 90 degrees ; half a right angle, by 45 degrees, etc. TABLE. 60 seconds (") . . . . = 1 minute ' 60 minutes = 1 degree ° 30 degrees = 1 sign S. 12 signs, or 360° . . . . = 1 circumference . . . C. WRITTEN EXERCISES. 1. How many seconds in... | |
 | William Seneca Sutton - 1896 - 342 pages
...and signs (S) ; they are used in estimating latitude and longitude, direction, angles, etc. TABLE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 30 degrees = 1 sign (S). 360° or 12 signs = 1 circumference of a circle. TIME MEASURES. TABLE. 165. 60 seconds = 1 minute.... | |
 | Thomas Edie Hill - Business - 1897 - 652 pages
...calendar months... { * ?eM365 days, 5 hours, 48 minutes, and 49 seconds ...... 1 solar year, Circular. 60 seconds ........... 1 minute, 60 minutes ............ 1 degree. 30 degrees ............. 1 sign. 90 degrees ............. 1 quadrant. 4 quadrants ........... (, „,„,360 degrees ................. | |
 | James Morgan Rawlins - Arithmetic - 1899 - 458 pages
...sides. The angle BCD is measured by the arc BD. A right angle is measured by a quadrant, or 90°. Table. 60 seconds (") = 1 Minute ( / ). 60 Minutes = 1 Degree (°). 30 Degrees = 1 Sign (S.). 12 Signs, or 360° = 1 Circumference (C.). The Sign is used in astronomical calculations. 1.... | |
| |
DIVISIONS OF THE CIRCLE. 60 Seconds = 1 Minute. 60 Minutes = 1 Degree. 30 Degrees = 1 Sign. 90 Degrees = 1 Quadrant. 360 Degrees, or 12 Signs = 1 Circumference. Formerly the subdivisions were carried on by sixties ; thus, the second was divided into 60... 
