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A quadrant, or quarter of a circle, is a sector, having a quarter of the circumference for its arc, and the two radii are perpendicular to each other, as G.
A Treatise on Mensuration, Both in Theory and Practice - Page 6
by Charles Hutton - 1788 - 703 pages

## Mathematics: Compiled from the Best Authors and Intended to be the ..., Volume 1

Mathematics - 1801
...circle, or a segment cut off by a diameter. 51. A sector is any part of a .circle, bounded by an arc, ^nd two radii, drawn to its extremities. 52. A quadrant, or quarter of a circle, is a sector, having a quarter of the circumference for its arc, and its two radii are perpendicular to each...

## A Course of Mathematics: Designed for the Use of the Officers ..., Volumes 1-2

Isaac Dalby - Mathematics - 1807
...segment cut off by a diameter. Half the circumference is sometimes called a semicircle. 56. A sector is any part of a circle bounded by an arc and two radii drawn to its extremities. Thus if C be the centre, ACB is a sector. When the angle at C is right, the sector (and sometimes the...

## Mathematics, Volume 1

Samuel Webber - Mathematics - 1808
...and its chord. 50. A semicircle is half the circle, or a segment cut oil" by a diameter. 51. A sector is any part of a circle, bounded by an arc, and two...extremities. 52. A quadrant, or quarter of a circle, is a sector, having a quarter of the circumference for its arc, and its two radii are perpendicular to each...

## The principles of architecture, Volume 1

Peter Nicholson - 1809
...48. A semicirde is half the circle , or a segment cut off by the diameter; ,as E. . ,. ; 49. A sector is any part of a circle bounded by an arc and two radii, drawn to its extremities, as F. /. .', 50. A quadrant, or quarter of a circle, is a sector, having a quarter of the circumference...

## A treatise of practical mensuration

Anthony Nesbit - Measurement - 1824 - 434 pages
...cut off by the diameter, as ADB. 45. A quadrant is the fourth part of a circle, as ADC. 46. A sector is any part of a circle bounded by an arc and two radii. 47. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...

## Civil Architecture, Or, A Complete Theoretical and Practical System of ...

Edward Shaw - Architecture - 1832 - 192 pages
...as D. 48. A semi-circk is half the circle, or a segment cut off by the diameter, as E. 49. A sector is any part of a circle bounded by an arc and two radii, drawn to its extremities, as F. 1 50. A quadrant, or quarter of a circle, is a sector, having a quarter of the circumference...

## The Mechanic's Companion: Or, the Elements and Practice of Carpentry ...

Peter Nicholson - Building - 1832 - 333 pages
...an arc and its chord. A semicircle is half a circle, or a segment cut off by the diameter. A sector, is any part of a circle bounded by an arc, and two radii, drawn to its extremities. A quadrant, or quarter of a circle, is a sector having a quarter part of the circumference for its...

## Civil Architecture: Or, A Complete Theoretical and Practical System of Building

Edward Shaw - Architecture - 1836 - 208 pages
...as D. 48. A semi-circle is half the circle, or a segment cut off by the diameter, as E. 49. A sector is any part of a circle bounded by an arc and two radii, drawn to its extremities, as F. 50. A quadrant, or quarter of a circle, is a sector, having a quarter of the circumference for...