...circumference may be regarded as the measure of angular magnitude. For this purpose the circumference of the circle is supposed to be divided into. 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, find each minute into 60 equal...

...leaving 236, the number of days required ; and so of others. DIVISION OF THE CIRCLE MEASURE OF TIME. 40. Every circle is supposed to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. For astronomical purposes,...

...circumference, which is everywhere equidistant from a certain point within it, called the centre. 39. The circumference of every circle is supposed to be...equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. 40. The diameter...

...circumference for its arc, and the diameter for its chord. The half circle FGH is a semicircle. 45. 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...

...a tangent — O is the point of contact. 46. The circumference of every circle is measured by being supposed to be divided into 360 equal parts, called degrees; each degree contains GO minutes, and each minute 60 seconds. Degrees, minutes, and seconds, are desig uated respectively...

...Trigonometry treats of plane triangles; Spherical Trigonometry treats of spherical triangles. (19.) The circumference of every circle is supposed to be...parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated by the characters °,...

...suits containing 9 yd. 2 qr. each ; how many suits did he make ? Ans. 17. LONGITUDE AND TIME. c 324. Every circle is supposed to be divided into 360 equal parts, called degrees* Since the sun appears to pass from east to west round the earth, or through 360°, once in every 24...

...a tangent — O is the point of contact. 46. The circumference of every circle is measured by being supposed to be divided into 360 equal parts, called degrees; each degree contains 60 minutes, and each minute 60 seconds. Degrees, minutes, and seconds, are designated respectively...

...from the centre. The circumference is supposed to be divided into 360 degrees (marked thus °) • each degree into 60 minutes, .each minute (') into 60 seconds ("). An arc is any part of the circumference of a circle. A chord, or subtense, is a right line joining the extremities...

...two on the two sides, that which stands at the angular point is read in the middle. Thus, DAE. 57. 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...