...the size of each farm ? Ans. 106 A. 106 P. 20 sq. yd. 1 sq. ft. 72 sq. in. LONGITUDE AND TIME. 224:. 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...

...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. A Quadrant is a fourth of a circumference, or an are of 90 degrees, as AB. 174. The Angle ACB, whose...

...circle. 88. The standard unit of time is the day. This is determined by the revolution of the earth. 91. Every circle is supposed to be divided into 360 equal parts called degrees. As the earih makes its revolution once in 21 hours, the 24 hours must equal 3 ' i0 P , or one hour...

...circle is called a semi-circle, as the area ABEG D. A Quadrant is the fourth part of a circle, as BC G. Every circle is supposed to be divided into 360 equal parts, called degrees, which are used as a measure of angles; therefore the arc of a semi-circle is equal to 180°. The arc...

...then each of the two angles is called a right angle. 327. — Definition. — The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; hence a semicircle contains 180 degrees, a quadrant 90, etc. CBD FIG. 250. 328. — Definition. —...

...one half of it a semi-circle. For the measurement of angles, arcs, chords, etc., the circumference of every circle is supposed to be divided into 360 equal parts called degrees, which are indicated when speaking of them by attaching a small circle to the right of the number stated...

...the given parts is called the solution of the triangle. 741. In Trigonometry, the circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; every degree is subdivided into GO equal parts, called minutes, and every minute is again divided...

...poles increases (Fig. 3). Where furthest apart the distance between two meridians is about 69 miles. Each degree (°) is divided into 60 minutes ('), and each minute into 60 seconds ("), and the longitude of any place is given in degrees, minutes, and seconds. Greenwich Observatory,...

...each flower-bed ? For all the flower-beds? For the lawn? MEASUREMENT OF ANGLES. 1. For convenience, every circle is supposed to be divided into 360 equal parts called degrees. 2. Вy means of an instrument called a protractor any angle can be measured. 3. From cardboard cut...

...for measuring angles. The boundary line of a circle is called its circumference. The circumference is divided into 360 equal parts, called degrees. Each degree is divided into 60 equal parts, called minutes; and each minute into 6O equal parts, called seconds. One-fourth of a circle...