| James Ferguson - 1767 - 328 Seiten
...ofthefe&or of a Circle. * * ' ."" .*"• .'/" As 365 degrees is to the degrees in the arc of the fedt^r, fo **is the area of the whole circle to the area of the** fedior. Or, multiply the length of the radius of the fe&or, by the length of the arc of the circle,... | |
| 1801
...diameter and arc of the sector. NOTE. The arc may be found by Problem X. •c •"—" • RULE 2.f As 360 **is to the degrees in the arc of the sector, so is the** whole area of the circle to the area of the sector. . •. '• j' • . • 4 NOTE. For a semicircle,... | |
| Charles Hutton - 1807
...to problem 9, for the whole circle. RULE II. Compute the area of the whole circle : then say, as 360 **is to the degrees in the arc of the sector, so is...the whole circle, to the area of the sector. This is** evident, because the sector is proportional to the length of the arc, or to the degrees contained in... | |
| Charles Hutton - 1811
...to problem 9, for the whole circle. RULE II. Compute the area of the whole circle : then say, as 360 **is to the degrees in the arc of the sector, so is...the whole circle, to the area of the sector. This is** evident, because the sector is proportional to the length of the arc, or to the degrees contained in... | |
| 1816
...the fector, and take J of the product. RULE ii. As 360 is to the degrees in the arc of the fector, fo **is the area of the whole circle to the area of the** fector. This is evident, becaufe the fector is proportional to the length of the arc, or to the degrees... | |
| Encyclopaedia Perthensis - 1816
...feetor, and take \ of the product. KVI.F, u. As 360 is to the degrees in the arc of the fector, to **is the area of the whole circle to the area of the** feetor. This is evident, becaufe .the fector U proportional to the length of the arc, or to the degrees... | |
| Thomas Keith, William Hawney - 1817
...the arc by the radius of the circle, and the product is the area of the si'ctor. RUI.F. II. As 36() **is to the degrees in the arc of the sector, so is the** are* of the whole circle to the area of the sector. Example 1. Let ADBE be the sector of a circle less... | |
| Charles Hutton - 1822
...the whole circle. RULE II. Compute the area of the whole circle : then say, as :5"0 is to the decrees **in the arc of the sector, so is the area of the whole circle to the area of the sector. This is** evident, because the sector is proportional to the length of the arc, or to the. degrees contained... | |
| Anthony Nesbit - 1824 - 434 Seiten
...of half the arc 45 feet, and the radius 37 feet 6 inches? Ans. 2.617ft. 10 in. 6 pa, RULE II. As 360 **is to the degrees in the arc of the sector, so is...area of the whole circle to the area of the sector.** Kate I. The area of a semicircle, a quadrant, 4.c. may be most easily found by taktng one half, one... | |
| George Curtis - 1824 - 119 Seiten
...area of the whole circle: Thus, an 360 degrees, is to angle or degrees between the two legs or radii **of the sector, so is the area of the whole circle, to the area of the sector.** Sector. area. EXAMPLE. As 360° : 288° : : 314,16 : 251,328° the Ang. PROBLEM IV. To find Ike Solidity... | |
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