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" Circular Measure is applied to the divisions of the circle, and is used in reckoning latitude and longitude, and the motion of the heavenly bodies. 60 seconds (") make 1 minute, marked ' 60 minutes " 1 degree, " ° 30 degrees " 1 sign, " s. . ' 12 signs,... "
Mental Arithmetic, Or, First Lessons in Numbers for Children - Página 96
por James Bates Thomson - 1846 - 120 páginas
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Rudiments of Arithmetic: Containing Numerous Exercises for the Slate and ...

James Bates Thomson - 1868 - 160 páginas
...MEASURE. 1 O5. Circular Measure is applied to the divisions of the circle, and is used in reckoning latitude and longitude, and the motion of the heavenly...degrees " 1 sign, " .. 12 signs, or 360° " 1 circle, " e. 98 COMPOUND OBs. 1. Circular Measure is often called Angular Measure, and is chiefly used by astronorrers....
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Practical Arithmetic, by Induction and Analysis, Libro 3

Joseph Ray - 1857 - 320 páginas
...degrees; each degree into GO parts, called minutes; each minute into 60 parts, called seconds. TABLE. 60 seconds (") make 1 minute, marked '. 60 minutes 1 degree °. 30 degrees 1 sign, a. 12 signs or 360° ... 1 circle, c. 1. Reduce 5° 3' to minutes. . . . Ans. 303'. 2. 8° 41' 45"...
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Practical Arithmetic: Uniting the Inductive with the Synthetic Mode of ...

James Bates Thomson - 1868 - 400 páginas
...circles, $igns, degrees, minutes, and seconds. 60 seconds (") make 1 minute, marked ' 60 '.ninutes " 1 degree, " ° 30 degrees " 1 sign, " ». 12 signs, or 360° " 1 circle, " c. QUEST. — 159. To whut is Circular Measure applied 1 What are its denumin*. Uous? Repeat 1he Table....
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Robinson's Progressive Table Book

Horatio Nelson Robinson - 1869
...LESSON LXVIII. CIRCULAR MEASURE. Tho Denominations are the Circle, Sign, Degree, Minute, and Second 60 seconds (") make 1 minute, marked '• 60 minutes " 1 degree, " ". 30 degrees . " 1 sign, " S12 signs,or360deg." the circle of the Zodiac, C. Circular Measure is applied to the measurement...
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The Rudiments of Arithmetic: Embracing Mental and Written Exercises for ...

Joseph Ray - 1866 - 192 páginas
...used in estimating latitude and longitude, and in measuring the motions of the heavenly bodies. TABLE. 60 seconds (") make 1 minute, marked '. 60 minutes .... 1 degree, .... °. 30 degrees .... 1 sign, 8. 12 signs, or 360° . . 1 circle, . . . . C. EXAMPLES FOE PBACTICE. 1. Eeduce 2 S. 18° 27' 43" to...
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The Complete Arithmetic: Oral and Written

Daniel W. Fish - 1874 - 516 páginas
....Thus, the arc DB (Fig. 3) is the measure of the angle DOB. FIG. 3. TABLE. 60 Seconds (") = 1 Minute 60 Minutes = 1 Degree 30 Degrees = 1 Sign . 12 Signs, or 360° = 1 Circle A dr. dr. 8. ° 1=12=360=21600=1296000 1= 30= 1800= 108000 1= 60= 360 1= 60 1. A Semi-Circum. is one-half...
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Arithmetical Problems, Oral and Written: With Numerous Tables of Money ...

Daniel W. Fish - 1874 - 282 páginas
...the degree, which is -^ part of the circumference of any circle. TABLE. 60 Seconds (") =1 Minute . 60 Minutes = 1 Degree . 30 Degrees = 1 Sign . . 12 Signs, or 360° — 1 Circle . 1C. = 1296000". 21600' 860° 12S. A Semi-Circiuiif'ce is one-half of a circumference, or 180°. A...
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The Junior-class Arithmetic: Oral and Written : Designed for Graded Schools

Daniel W. Fish - 1875 - 318 páginas
...Thus, the arc DB, in Fig. 3, is the measure of the angle DOB. TABLE. FIG. 3. 60 Seconds (") =1 Minute 60 Minutes = 1 Degree 30 Degrees = 1 Sign . 12 Signs, or 360° = 1 Circle . A a i c. = 1296000" 21600' 360° 12 A A. Semi- Circumference is one-half of a circumference, or 180°....
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Robinson's Progressive Primary Arithmetic: For Primary Classes in Public and ...

Horatio Nelson Robinson - 1878 - 80 páginas
...LESSON XVII. CIRCULAR MEASURE. The Denominations are the Circle, Sign, Degree, Minute, and Second. CO seconds (") make 1 minute, marked ', 60 minutes " 1 degree, " °30 degrees " 1 sign, " S12 signs,or360deg." the circle of tlie Zodiac, C. Circular Measure is applied to the measurement...
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Complete Arithmetic: Or Third Book of a Series of Mathematics

Andrew H. Baker - 1878 - 193 páginas
...and circumferences, reckouing latitudes and longitudes, etc. TABLE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 30 degrees = 1 sign (£). 12 signs or 360 degrees = 1 circumference. Apparently the sun makes an entire revolution of the earth in 24 hours,*...
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