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The radius of a circle is a right line drawn from the centre to the circumference.
The Theory and Practice of Surveying: Containing All the Instructions ... - Σελίδα 41
των Robert Gibson - 1832 - 348 σελίδες
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## The Tutor's Guide: Being a Complete System of Arithmetic; with Various ...

Charles Vyse - 1806 - 320 σελίδες
...Circumference, eve y Part whereof is equally distant from a Point within, called the Centre. A Diameter, AB, of a Circle, is a right Line drawn through the Centre, and terminated by the Circumference. The Semi-Diameter, AC, is called the Radius. A Semi-Circle is "a Figure...

## A Course of Mathematics ...: Designed for the Use of the Officers ..., Τόμος 1

Isaac Dalby - 1807
...is the distance of the centre from the circumference. Thus if C be the centre, CR is the radius. 51. The diameter of a circle is a right line drawn through the centre, and terminated by the circumference both ways, and therefore it is twice the radius. 52. An arc of a circle...

## An Essay on the Teeth of Wheels: Comprehending Principles, and Their ...

Robertson Buchanan - 1808 - 164 σελίδες
...centre to the circumference. The word, radii, is used, when more than one such line is spoken of. 0 5. The diameter of a circle, is a right line drawn through the centre, and terminated both ways by the circumference. 6. The arc of a circle is any part of its circumference....

## Mathematics, Τόμος 1

Samuel Webber - 1808
...45. The radius of a circle is a right line, drawn from the centre to the cir- |T cumference. * 46. The diameter of a circle is a right line, drawn through the centre, said terminating in the circumference on both sides. 47. An arc of a circle is any part of the circumference....

## The Carpenter's New Guide: Being a Complete Book of Lines for Carpentry and ...

Peter Nicholson - 1808 - 76 σελίδες
...43. The radius of a circle is a right line drawnfrom the centre to the circumference, «aba/ W. 44. A diameter of a circle is a right line drawn through the centre, terminating on «f the circumference, as с d at W. 45. 45. An arch of a circle is qny part of the...

## The principles of architecture, Τόμος 1

Peter Nicholson - 1809
...radius vfa circlf is a right 'line drawn from the centre to the .circumference, as a 6, at A. 44-. A diameter of a circle is a right line drawn through the centre, terminating on both sides of the circumference, as, cd, at B. i , ( . 45. An are of a circle is any...

## The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1811 - 508 σελίδες
...of the same or of equal circles are equal. 15. The diameter of a circle is a right line drawn thro' the centre, and terminating in opposite points of...semicircles ; and is double the radius, as AB or DE. fig. 8. m *!6. The circumference of every circle is supposed to be divided into 360 equal parts called degrees,...

## A New and Complete System of Arithmetic: Intended for the Use of Schools and ...

Caleb Alexander - 1813 - 144 σελίδες
...first end is fixed is called the centre ; and tiie dtscribing line, the semi-diameter, or radius. 12. The diameter of a circle is a right line drawn through the centre, and terminates on each side of the circle. And it divides the circumference and circle into two equal parts...

## The Tutor's Guide: Being a Complete System of Arithmetic; with Various ...

Charles Vyse - 1815 - 320 σελίδες
...circumference, every part whereof is equally distant from a point within, called the centre. A diameter, A 13, of a circle, is a right line drawn through the centre, and terminated by the circumference. The semi-diameter, AC, K called the radios. A semi-circle is a figure...

## A Treatise on Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - 1818 - 478 σελίδες
...the centre to the circumference ; whence all radii of the same, or of equal circles are equal. 16. The diameter of a circle is a right line drawn through the centre, and terminated on both sides by the circumference ; and it divides the circle and circumference into two...