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... plane triangles. In every plane triangle there are six parts, — three sides and three angles. When three of these parts are given, one being a side, the remaining parts may be found by computation. The operation of finding the unknown parts is called...
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... - Page 11
by William Findlay Shunk - 1890 - 339 pages

## Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1863 - 464 pages
...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...

## A Written Arithmetic, for Common and High Schools: To which is Adapted a ...

George Augustus Walton - Arithmetic - 1864 - 364 pages
..." 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...

## A Written Arithmetic, for Common and High Schools: To which is Adapted a ...

George Augustus Walton - Arithmetic - 1864 - 376 pages
..." 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...

## Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies, Adrien Marie Legendre - Geometry - 1869 - 470 pages
...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...

## Elements of Surveying and Leveling: With Descriptions of the Instruments ...

Charles Davies - Leveling - 1871 - 448 pages
...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,...

## Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - Geometry - 1872 - 464 pages
...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...

## Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

Adrien Marie Legendre - Geometry - 1874 - 500 pages
...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...

## Written Arithmetic

George Augustus Walton - 1876 - 358 pages
..." 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...