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

Edward Shaw - 1836 - 208 σελίδες
...The radius of a circle is a right line drawn from the centre to the circumference, ab, at A. 44. A diameter of a circle is a right line drawn through the centre, terminating on both sides of the circumference, as с il. at В. 45. An arc of a circle \s any part...

## The artillerist's manual, and compendium of infantry exercise

...into 60 degrees (marked thus 0 ); each degree into 60 minutes (') each minute into GO seconds ("). The Diameter of a circle is a right line drawn through the centre and terminated by the circumference. A Semicircle (180°) is that part of a circle which is contained between...

## Elements of plane (solid) geometry (Higher geometry) and trigonometry (and ...

Nathan Scholfield - 1845
...the centre of a circle to the circumference, and it follows from Def. 2. that all radii arc equal. 5. The diameter of a circle is a right line drawn through the centre. Hence, according to Def. 4, it is twice the radius. In the annexed diagram the surface enclosed by...

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

Peter Nicholson - 1845 - 333 σελίδες
...called its centre. The radius of a circle is a right line drawn from the centre to the circumference. A diameter of a circle is a right line, drawn through the centre terminating on both sides of the circumference An arc of a circle is any part of the circumference....

## Euclid's Elements of geometry, the first three books (the fourth, fifth, and ...

Euclides - 1846
...the figure, all right lines drawn are equal. 16. That point is called the centre of the circle. 17. A diameter of a circle is a right line drawn through the centre, and both of its extremities terminate in the circumference. 18. A radius is a right line drawn from the...

## The New American Practical Navigator; Being an Epitome of Navigation ...

Nathaniel Bowditch - 1846 - 451 σελίδες
...AC ; or it is that line which is taken between the points of the compasses to describe the circle. A DIAMETER of a circle is a right line drawn through the centre, ^, and terminated at both ends by the circumference, as ЛСВ ; and is v^_^x the double of the radius, AC....

## A Complete Treatise on Practical Land-surveying, in All Its Departments ...

Anthony Nesbit - 1847 - 426 σελίδες
...degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. 40. The diameter of a circle is a right line drawn through the centre, and terminating in the circumference on each side ; as A B. When 41. The radius of a circle is half the diameter, or it...

## The principles and practice of arithmetic and mensuration: with the use of ...

James Wharton - 1847
...circumference, which is everywhere equi- д distant from a certain point within it, called the centre. 36. The diameter of a circle is a right line drawn through the centre, and terminating in the circumference on each side, as AB. 37. The radius of a circle is half the diameter ; or a right...

## The United States Arithmetic: Designed for Academies and Schools

William Vogdes - 1847 - 256 σελίδες
...quarter of a circle. 33. The radius of a circle is a line drawn from the centre to the circumference. 34. The diameter of a circle, is a right line drawn through the centre, terminated both ways by the circumference. • 35. A solid is that which has length, breadth, and thickness,...

## Principles of Architecture: Comprising Fundamental Rules of the Art, with ...

Peter Nicholson, Joseph Gwilt - 1848 - 280 σελίδες
...The radius of a circle is a right line drawn from the centre to the circumference, as ab, at A. 44. A diameter of a circle is a right line drawn through the centre, terminating on both sides of the circumference, as a/,atB. 45. An arc of a circle is any part of the...