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Βιβλία Βιβλία 71 - 80 από 185 για The circumference of every circle is supposed to be divided into 360 equal....
" The circumference of every circle is supposed to be divided into 360 equal... "
First Lessons in Arithmetic: Combining the Oral Method with the Method of ... - Σελίδα 162
των Charles Davies - 1849 - 168 σελίδες
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Youth's Book of Astronomy

John Lee Comstock - 1838 - 256 σελίδες
...surface as those of summer. OF LATITUDE AND LONGITUDE. Definitions. All circles surrounding the earth are divided into 360 equal parts called degrees ; each degree is divided into 60 equal parts called minutes, and each minute into 60 parts called seconds. The signs by which these...

A complete treatise on Practical Land-Surveying, etc

Thomas Holliday - 1838 - 80 σελίδες
...fig. 16, A—C. 4. The diameter is the greatest straight line in a circle. 5. The circumference of a circle is supposed to be divided into 360 equal parts called degrees. The face of the theodolite, compass, circumferentor, and protractor, are of the same figure as the...

The Complete Mathematical and General Navigation Tables: Including Every ...

Thomas Kerigan - 1838
...firmament. — The equator, or equinoctial, as well as all the other great circles of the spheres, is divided into 360 equal parts, called degrees ; each degree is divided into GO equal parts, called minutes, and each minute into 60 equal parts, called seconds. ,57 The Meridian...

An introduction to the theory ... of plane and spherical trigonometry ...

Thomas Keith - 1839
...measure of the angle aBc, and the arc DE is the measure of the angle ABC. (56) The circumference of every circle is supposed to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The angles are...

A Course of Mathematics: Containing the Principles of Plane ..., Μέρη 2-4

Jeremiah Day - 1839 - 370 σελίδες
...measuring the latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c., marked with the characters...

The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1839 - 305 σελίδες
...contained by the lines B, A and A, D is called the angle B, A, D, or D, A, B. 56. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 minutes, each minute into 60 seconds ; and so on. Hence a semicircle contains...

First Lessons in Geometry: With Practical Applications in Mensuration, and ...

Charles Davies - 1840 - 252 σελίδες
...circle. 7. The circumference of a circle is used for the measurement of angles. For this purpose it is divided into 360 equal parts, called degrees, each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. The degrees, minutes,...

A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - 1841 - 312 σελίδες
...centre ; and it divides the circle into two equal parts, called semi-circles. 14. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 0O equal parts, called minutes; and each minute into 60 equal parts, called seconds;...

The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

Benjamin Greenleaf - 1841 - 314 σελίδες
...contained by the lines B, A and A, D is called the angle B, A, D, or D, A, B. 56. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 minutes, each minute into 60 seconds ; and so on. Hence u semicircle contains...

An Encyclopædia of Architecture: Historical, Theoretical, and Practical

Joseph Gwilt - 1842 - 1089 σελίδες
...abstract relations which connect it with geodisic operations. 1 034. We have already observed that every circle is supposed to be divided into 360 equal parts, called degrees, and that each degree is subdivided into 60 minutes, these minutes each into 6O seconds, and so on....




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