| CHARLES DAVIES, LL.D. - 1863
...operation of finding the "unknown parts, is called the solution of the triangle. 21. A plane angle is **measured by the arc of a circle included between its...the circle being at the vertex, and its radius being** equal to 1. Thus, if the vertex A be taken as a centre, and the radius AB be equal to 1, the intercepted... | |
| George Augustus Walton - 1864 - 348 páginas
..." the angle abc," or simply " the angle b." An angle is measured by that part of the circumference **of a circle included between its sides, the centre of the circle being at the vertex** of the angle ; thus, Fig. 4. In fig. 4, the angle defls measured by the arc mn ; that is, if the arc... | |
| George Augustus Walton - 1864 - 348 páginas
..." the angle abc," or simply " the angle b." An angle is measured by that part of the circumference **of a circle included between its sides, the centre of the circle being at the vertex** of the angle ; thus, Fig. 4. In fig. 4, the angle défis measureû by the arc mn ; that is, if the... | |
| Adrien Marie Legendre - 1869 - 455 páginas
...parts, is called the solution of the triangle. 21. A plane angle is measured by the arc of a circie **included between its sides, the centre of the circle being at the vertex, and its radius being** equal to 1. Thus, if the vertex A be taken as a centre, and the radius AB be equal to 1, the intercepted... | |
| Charles Davies - 1871 - 431 páginas
...parts are given, one being a side, the remaining parts may be found by computation. 46. An angle is **measured by the arc of a circle included between its...the circle being at the vertex, and its radius being** equal to 1. 47. If two lines be drawn through the centre of a circle, at right angles to each other,... | |
| Charles Davies - 1872 - 455 páginas
...operation of finding the unknown parts, is called the solution of the triangle. 21. A plane angle is **measured by the arc of a circle included between its...the circle being at the vertex, and its radius being** equal to 1. Thus, if the vertex A be taken as a centre, and the radius AB be equal to 1, the intercepted... | |
| Adrien Marie Legendre - 1874 - 455 páginas
...operation of finding the unknown parts, is called the solution of the triangle. 21. A plane angle is **measured by the arc of a circle included between its...the circle being at the vertex, and its radius being** equal to 1. Thus, if the vertex A be taken as a centre, and the radius AS be equal to 1, the intercepted... | |
| George Augustus Walton - 1876
..." the angle abc," or simply " the angle b." An angle is measured by that part of the circumference **of a circle included between its sides, the centre of the circle being at the vertex** of the angle ; thus, Fig. 4. In fig. 4, the angle defis measured by the arc win ; that is, if the arc... | |
| William Findlay Shunk - 1880 - 318 páginas
...operation of finding the unknown parts is called the solution of the triangle. 2. A plane angle is **measured by the arc of a circle included between its...a right angle. Each degree is further divided into** 00 equal parts called minutes, and each minute into 60 equal parts called seconds. Degrees, minutes,... | |
| William Findlay Shunk - 1886 - 325 páginas
...is called the solution of the triangle. 2. A plane angle is measured by the arc of a circle inclnded **between its sides; the centre of the circle being...equal parts called degrees; 90 of these parts are** inclnded in a quadrant, which inclndes one-quarter of the circle, and is the measure of a right angle.... | |
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