 | Alfred Hiley - 1879 - 228 σελίδες
...diameter, as figure ADB. XXXIII. A quadrant is the fourth part of a circle, as BCD or DC A. XXXIV. The circumference of a circle is divided into 360 equal parts, called degrees. XXXV. An arc is any part of the circumference, as BED. XXXVI. The chord of an arc is a straight line... | |
 | William Frothingham Bradbury - 1879 - 446 σελίδες
...CA or C B. 260. A Diameter is a line drawn through the centre and limited by the curve, as A B. 26L The circumference of a circle is divided into 360 equal parts, called degrees, and these are subdivided as shown in the table. 262. Oral Exercises. 66. How many degrees in a semicircumference... | |
 | William Dodds - 1883 - 198 σελίδες
...circumference. Thus ABG is an arc of the circle ABOD. The length of ABC is called the length of the arc. 107. The circumference of a circle is divided into 360 equal parts, called degrees, marked thus (°). A degree is subdivided into 60 minutes, marked thus ('), and a minute into 60 seconds,... | |
 | William Penman - 1885 - 158 σελίδες
...theodolite is therefore an instrument for registering the angle which a survey line makes with the north. The circumference of a circle is divided into 360...parts, called degrees, which are sub-divided into 60 equal parts, called minutes, and again into 60 equal parts, called seconds. Each quadrant of a circle... | |
 | George Albert Wentworth, George Anthony Hill - 1887 - 448 σελίδες
...= 1 minute ('). 60 minutes = 1 degree (°). 90 degrees = 1 right angle. 360 degrees = 1 revolution. The circumference of a circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds. The larger the circle, the greater the... | |
 | 1895 - 642 σελίδες
...draw a horizontal diameter and a vertical radius, how many right angles do you make ? (5) The entire circumference of a circle is divided into 360 equal parts, called degrees. How many degrees does a right angle have ? a semicircle ? a half of a right angle? a third of a right... | |
 | John H. Macke - 1891 - 244 σελίδες
...BDX \s В, the area of the polygon would not be correctly given. THE ClRCLE. For practical purposes, the circumference of a circle 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... | |
 | George Albert Wentworth - 1892 - 312 σελίδες
...1 minute ('). 60 minutes = 1 degree (°). 90 degrees — 1 right angle. 360 degrees = 1 revolution. The circumference of a circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds. The larger the circle, the greater the... | |
 | George Albert Wentworth - 1894 - 318 σελίδες
...= 1 minute ('). 60 minutes = 1 degree (°). 90 degrees = 1 right angle. 360 degrees = 1 revolution. The circumference of a circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds. The larger the circle, the greater the... | |
 | William Frothingham Bradbury - 1895 - 398 σελίδες
...CM or (72?. 260. A Diameter is a line drawn through the centre and limited by the curve, as A B. 26L The circumference of a circle is divided into 360 equal parts, called degrees, and these are subdivided as shown in the table. 262. Oral Exercises. 66. How many degrees in a sernicircurnferenee... | |
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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. 
