 | Edwin Pliny Seaver, George Augustus Walton - 1878 - 364 σελίδες
...each degree into 60 minutes ('), and each minute into 60 seconds ("). These are the units of Circular Measure. 60 seconds = 1 minute. 60 minutes = 1 degree. 360 degrees = 1 circumference. NOTB. As the circumference of every circle has 360 degrees, the length of the degree differs in different... | |
 | Charles Austin Hobbs - 1889 - 362 σελίδες
...diameter, and CD a radius. The angle DOB contains the same number of degrees as the arc DB. TABLE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference. NOTE. An arc of 90° is called a quadrant, and an angle of 90° is called a right angle. A degree of... | |
 | William James Milne - 1892 - 440 σελίδες
...angles, in determining latitude, longitude, direction, the position of vessels at sea, etc. TABLE. 60 Seconds (") = 1 Minute . . . ' 60 Minutes = 1 Degree . . . , ° 360 Degrees = 1 Circumference . Cir. Cir. ° 1 = 360 = 21600 = 1296000 Scale. — 360, 60, 60. 1. A Quadrant is {- of a circumference,... | |
 | Frank Eugene Kidder - 1892 - 1058 σελίδες
...and Angular Measures. USED FOB MEASUH1NO ANULES AND ABC8, AND FOB DETEBM1N1NG LAT1TUDE AND LONG1TUDE. 60 seconds (") = 1 minute (')• 60 minutes = 1 degree (°). 360 degrees = 1 circumference (C. ). Seconds are usually subdivided into tenths and hundredths. A minute of the circumference of... | |
 | John Henry Walsh - 1893 - 392 σελίδες
...revolutions 150 per minute, how far does it go in an hour ? Give answer in miles and rods. 995. Circular Measure. 60 seconds (") 1 minute (') 60 minutes 1 degree (°) 360 degrees 1 circle. 8. If the equatorial circumference of the earth is 25,000 miles, how many miles apart are two... | |
 | John Henry Walsh - 1893 - 426 σελίδες
...revolutions 150 per minute, how far does it go in an hour ? Give answer in miles and rods. 995. Circular Measure. 60 seconds (") 1 minute (') 60 minutes 1 degree (°) 360 degrees 1 circle. 8. If the equatorial circumference of the earth is 25,000 miles, how many miles apart are two... | |
 | John Tilden Prince - 1894 - 120 σελίδες
...knots = 1 link (li.) — 1 chain (ch.) = 1 mile. — 1 fathom. = 1 cable length. = 1 knot. = 1 league. 60 seconds (") = 1 minute (') 60 minutes = 1 degree (°) 360 degrees = 1 circumference. ( 1° of longitude on 69J miles = < equator or of lati( tude on a meridian. Measures of Surface. ATACCIOIUOQ... | |
 | George Washington Hull - 1894 - 204 σελίδες
...called degrees. The angle ACE has 45° in it, and the angle А С D, a right angle, has 90°. TABLE. 60 seconds (") = 1 minute, '. 60 minutes = 1 degree, °. 360 degrees = 1 circumference, C. WRITTEN EXERCISES. 1. Reduce 30° 20' 45" to seconds. 2. How many minutes in a circumference ? 3.... | |
 | John Henry Walsh - 1895 - 480 σελίδες
...centimes (c.). The German mark (reichsmark) (M., m.) = 23.8^, is divided into 100 pfennigs (pf.). Circular Measure. 60 seconds (") . . 1 minute (') 60 minutes .... 1 degree (°) 360 degrees . 1 circumference Tune Measure. 60 seconds (sec.) 1 minute (min.) 60 minutes 1 hour (hr.) 24 hours 1 day (da.) 7 days... | |
 | John Henry Walsh - 1895 - 476 σελίδες
...revolutions 150 per minute, how far does it go in an hour? Give answer in miles and rods. 995. Circular Measure. 60 seconds (") 1 minute (/) 60 minutes 1 degree (°) 360 degrees 1 circle. 8. If the equatorial circumference of the earth is 25,000 miles, how many miles apart are two... | |
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ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference. 
