 | Francis Joseph Grund - Geometry, Plane - 1830 - 274 pages
...the arcs intercepted between their legs are in proportion to the angles at the centre. Remark 2. If the circumference of a circle is divided into 360 equal parts, called degrees; each decree again into 60 equal parts, called minutes; each minute again into 60 equal parts, called... | |
 | Francis Joseph Grund - Geometry, Plane - 1834 - 212 pages
...the arcs intercepted between their legs are in proportion to the angles at the centre. Remark 2. If the circumference of a circle is divided into 360 equal parts, called degrees ; each degree again into 60 equal parts, called minutes; each minute again into 60 equal parts, called... | |
 | Thomas Rainey - Arithmetic - 1849 - 334 pages
...half and circulus, a circle. ** Ellipse is from the Gr. root VJMITU or elleipo, to pass by or reject. The circumference of a circle is divided* into 360 equal parts, called degrees ; each of these degrees, into 60 parts, called minutes /t and each of these minutes into 60 parts,... | |
 | John William Norie - Nautical astronomy - 1852 - 844 pages
...extremities, •which remains fixed. The circumference of itself is often called the circle, although properly the circle is the space contained within the circumference. The circumference of every circle is usually supposed to be divided into 860 equal parts, called DEGREES ; each degree into... | |
 | George Augustus Walton, Electa Nobles Lincoln Walton - Arithmetic - 1869 - 350 pages
...is called a Diameter. Define plane surface ; circle ; circumference ; arc ; radius ; diameter. 33O. The circumference of a circle is divided into 360 equal parts called degrees, each degree into 60 minutes, and each minute into 60 seconds. These are the units of CIRCULAR- MEASURE.... | |
 | George Augustus Walton - Arithmetic - 1873 - 348 pages
...is called a Diameter. Ijefine plane surface ; circle ; circumference ; arc ; radius ; diameter. 330. The circumference of a circle is divided into 360 equal parts called degrees, each degree into 60 minutes, and each minute into 60 seconds. These are the units of CIRCULAR MEASURE.... | |
 | Samuel Sloan - 1873 - 298 pages
...and two radii drawn to its extremities ; a line is tangent to a circle which does not intersect it. The circumference of a circle is divided into 360 equal parts, called degrees ; it will be observed that an angle of 45° is the half of a rightangle ; an angle of 60° is two-thirds... | |
 | Ellen Eliza Fitz - Globes - 1876 - 138 pages
...the arcs EF and E G. In order to express conveniently the values of arcs as the measures of 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,... | |
 | Ellen Eliza Fitz - Globes - 1876 - 138 pages
...the arcs EF and E G. In order to express conveniently the values of arcs as the measures of 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,... | |
 | George Augustus Walton, Electa Nobles Lincoln Walton - Arithmetic - 1877 - 348 pages
...is called a Diameter. Define plane surface ; circle ; circumference ; arc ; radius ; diameter. 330. The circumference of a circle is divided into 360 equal parts called degrees, each degree into 60 minutes, and each minute into 60 seconds. These are the units of CIRCULAR MEASURE.... | |
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The circumference of a circle is divided into 360 equal parts, called degrees; each degree into 60 minutes ; each minute into 60 seconds. 
