Αναζήτηση Εικόνες Χάρτες Play YouTube Ειδήσεις Gmail Drive Περισσότερα »
Είσοδος
 Βιβλία Βιβλία
The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
The Theory and Practice of Surveying: Containing All the Instructions ... - Σελίδα 45
των Robert Gibson - 1821 - 544 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

## Elements of astronomy

Hugo Reid - 1874
...circumference it forms. For this purpose, the circumference of a circle, whatever its magnitude may be, is supposed to be divided into 360 equal parts, called degrees, and marked °. To express still smaller parts, each degree is divided into 60 equal parts, called minutes,...

## THE QUADRATURE OF THE CIRCLE, THE SQUARE ROOT OF TWO, AND THE RIGHT-ANGLED ...

WILLIAM ALEXANDER MYERS - 1874
...treats of plane triangles ; spherical trigonometry treats of spherical triangles. The circumference of a circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated...

## New Elementary Arithmetic: Embracing Mental and Written Exercises, for Beginners

Henry Bartlett Maglathlin - 1875 - 208 σελίδες
...circle is any 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. •What is a Circle? The Circumference of a circle? What is an Arc of a circle ? A Diameter? How is...

## A graduated course of problems in practical plane and solid geometry

...it. Ex. AB. The point where it touches the circle is called the point of contact. Ex. B. NOTE 1. — The circumference of every circle is supposed to be divided into 360 equal parts, called degrees, marked °. Hence, a semicircle will contain 180°; a quarter of a circle, or a quadrant, 80° ; the...

## New Elementary Arithmetic, Embracing Mental and Written Exercises ...

Henry Bartlett Maglathlin - 1876 - 224 σελίδες
...circle is any 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. 370* What is a Circle ? The Circumference of a circle ? What is an Arc of a circle ? A Diameter? How...

## A universal geography. Revised by K. Johnston

Thomas Milner - 1876
...equator or the meridians. Small circles, such as the tropics, divide the globe into two unequal parts. Every circle is supposed to be divided into 360 equal parts, called degrees ; every degree into sixty equal parts, called minutes ; and every minute into sixty equal parts, called...

## Hand-book of the Terrestrial Globe, Or, Guide to Fitz's New Method of ...

Ellen Eliza Fitz - 1876 - 120 σελίδες
...angles, the circumference of a circle is divided into 360 equal parts, called degrees (marked °), each degree into 60 equal parts, called minutes ('), and each minute into 60 equal parts, called seconds ( " ). Then the number of degrees, minutes, and seconds, in the arc...

## Written Arithmetic

George Augustus Walton - 1876
...circumference, through the centre, to an opposite joint, is called a Diameter. 188. The circumference of any circle is supposed to be divided into 360 equal parts, called Degrees, each degree into (J0 Minutes, and each minute into 60 Seconds. TABLE, 60 seconds (") = 1 minute, marked...

## Hand-book of the Terrestrial Globe, Or, Guide to Fitz's New Method of ...

Ellen Eliza Fitz - 1876 - 120 σελίδες
...angles, the circumference of a circle is divided into 360 equal parts, called degrees (marked °), each degree into 60 equal parts, called minutes ('), and each minute into 60 equal parts, called seconds ("). Then the number of degrees, minutes, and seconds, in the arc intercepted...

## The Elementary Arithmetic: Oral and Written

Albert Newton Raub - 1877 - 164 σελίδες
...AD, is called a Diameter. 129. Every circumference is divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. TABLE. 60 seconds ( " ) =1 minute, ( ' ). 60 minutes =1 degree, (°)....