 | Charles Haynes Haswell - Measurement - 1892 - 334 pages
...circle without cutting it. A Cotangent is the tangent of the complement of the arc. The Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; each degree into 00 Minutes, and each minute into 60 Seconds, and so on. The Complement of an angle is what remains... | |
 | Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...the size of each farm ? Ans. 106 A. 106 P. 20 sq. yd. 1 sq. ft. 72 sq. in. LONGITUDE AND TIME. 224:. Every circle is supposed to be, divided into 360 equal parts, called degrees. Since the sun appears to pass from east to west round the earth, or through 360°, once in every 24... | |
 | Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...times are 4 bu. 3 pk. 2 qt. contained in 336 bu. 3 pk. 4 qt. ? Ans. 70 times. LONGITUDE AND TIME. 224. Every circle is supposed to be divided into 360 equal parts, called degrees. Since the sun appears to pass from east to west round the earth, or through 360°, once in every 24... | |
 | William Benjamin Smith - Geometry, Modern - 1892 - 160 pages
...straight angle? In a right angle ? HISTORICAL NOTE. — For purposes of computation the round angle is divided into 360 equal parts called degrees, each degree into 60 equal minutes (partes minutce primae), each minute into 60 equal seconds (partes minutae secunJiz), denoted... | |
 | William Benjamin Smith - Geometry, Modern - 1892 - 314 pages
...straight angle? In a right angle ? HISTORICAL NOTE. — For purposes of computation the round angle is divided into 360 equal parts called degrees, each degree into 60 equal minutes (partes minutes primae), each minute into 60 equal seconds (partes minutse secundci), denoted... | |
 | William Shaffer Hall - Measurement - 1893 - 88 pages
...convenient unit is a right angle. The right angle is divided into 90 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. Angles at the centre of a circle have the same ratio as the arcs which are subtended by them (Ww. Geom.,... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1893 - 234 pages
...straight line drawn through the center, and terminated by the circumference, as AE. 173. The circumference of every circle is supposed to be divided into 360 equal parts, called Degrees. A Quadrant is a fourth of a circumference, or an are of 90 degrees, as AB. 174. The Angle ACB, whose... | |
 | Asa Hollister Craig - Examinations - 1897 - 538 pages
...circle. 88. The standard unit of time is the day. This is determined by the revolution of the earth. 91. Every circle is supposed to be divided into 360 equal parts called degrees. As the earih makes its revolution once in 21 hours, the 24 hours must equal 3 ' i0 P , or one hour... | |
 | William Benjamin Smith - Geometry, Modern - 1893 - 330 pages
...straight angle? In a right angle ? HISTORICAL NOTE. — For purposes of computation the round angle is divided into 360 equal parts called degrees, each degree into 60 equal minutes (partes minutte primse), each minute into 60 equal seconds (partes minutse secundtz), denoted... | |
 | Albert Newton Raub - Arithmetic - 1894 - 200 pages
...the centre and limited by the circumference, as AD, is called a Diameter. 129. Every circumference is divided into 360 equal parts, called degrees; each...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... | |
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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. 
