 | Daniel O'Gorman - 1853 - 246 pages
...in every leap year* you'll find February counts twenty -nine. GEOMETBICAL MEASURE. 60 seconds " make 1 minute. ' 60 minutes 1 degree. ° 90 degrees 1 quadrant. 360 degrees, or 4 quadrants 1 circle. Many highly important calculations in the mathematical sciences are founded... | |
 | Robert Miller (M.A., of Edinburgh.) - 1873 - 120 pages
...Sept. 29. I Lammas, . Aug. 1. Christmas, . Dec. 25. | Martinmas, . Nov. 11. INCLINATION. (XII.) ANGULAR MEASURE. 60 seconds ('') = 1 minute ('). 60 minutes = 1 degree (»). 90 degrees = 1 right angle (l_) . 360 degrees = 1 circle. MEASURE OF NUMBER. 12 units = 1 dozen ; 12 dozen = 1 gross... | |
 | Alfred Kirk, Henry Holmes Belfield - Arithmetic - 1876 - 220 pages
...its extremities. The arc DE measures h the angle DC E. Each is 45 degrees. 19S. TABLE OF ANGULAR OR CIRCULAR MEASURE. 60 seconds (") = 1 minute (') 60 minutes = 1 degree (°) 90 degrees = j 1 riSht anSle. ( 1 quadrant. 360 degrees = 1 circumference (cirf.) NOTE.— A degree on the equator... | |
 | Rorert Kater Vinter - Arithmetic - 1877 - 36 pages
...fluid ounces =1 pint 8 pints =1 gallon NB — A pint of water weighs a pound and a quarter. GEOMETRY. 60 seconds (")=1 minute (') 60 minutes =1 degree (°) 90 degrees =1 quadrant 360 degrees, or 1 = j circle 4 quadrants j A right angle contains 90 degrees. QUARTER OAYS. Lady-day, 25th of March.... | |
 | Edward Sylvester Ellis - Arithmetic - 1886 - 200 pages
...the circumference ? What the diameter ? Point out an arc; an angle; the vertex of an angle. TABLE. 60 seconds (") =1 minute, ('). 60 minutes = 1 degree, (°). 90 degrees = 1 quadrant or fourth of a circle. 360 degrees = 1 circumference. 1. The length of a degree of longitude on the... | |
 | George Albert Wentworth - 1889 - 476 pages
...divisible by 4 ; thus, 1888 and 2000 are leap-years, but 1887 and 1900 are not leap-years. VII. ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 90 degrees = 1 right angle. 360 degrees = 1 revolution. The circumference of a circle is divided into 360 equal parts,... | |
 | Edward Sylvester Ellis - Arithmetic - 1889 - 196 pages
...angle. Every circle, no matter what its size, is divided into 360 equal parts called Degrees. TABLE. 60 seconds (") =1 minute, ('). 60 minutes = 1 degree, (°). 90 degrees = 1 quadrant or fourth of a, circle. 360 degrees = 1 circumference. 1. The length of a degree of longitude on the... | |
 | George Albert Wentworth - Algebra - 1892 - 312 pages
...divisible by 4 ; thus, 1888 and 2000 are leap-years, but 1887 and 1900 are not leap-years. VII. ANGULAK MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 90 degrees — 1 right angle. 360 degrees = 1 revolution. The circumference of a circle is divided into 360 equal parts,... | |
 | George Albert Wentworth - 1894 - 318 pages
...divisible by 4 ; thus, 1888 and 2000 are leap-years, but 1887 and 1900 are not leap-years. VII. ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 90 degrees = 1 right angle. 360 degrees = 1 revolution. The circumference of a circle is divided into 360 equal parts,... | |
 | William Kent - Engineering - 1895 - 1234 pages
...two apparent weights together and extract the square root of the product. Circular Шсамиге. 60 seconds, " = 1 minute, '. 60 minutes, ' = 1 degree, °. 90 degrees = 1 quadrant. 880 " = circumference. Time. 00 seconds = 1 minute. CO minutes = 1 hour. 24 hours = 1 day. 7 days =... | |
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Circular Measure 60 seconds • -• 1 minute 60 minutes = 1 degree 90 degrees • 
