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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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Euclide's Elements ... compendiously demonstrated, by I. Barrow. Transl

Euclides - 1660
...thereof, are equall the one to the other. XV I. And that point is called the Centre of the circle. XVII. A Diameter of a circle is a right line drawn through the centre thereof, and ending at the circumference on eii ther Б ther fidejdividing the circle into two equall...

The Elements of Euclid: In which the Propositions are Demonstrated in a New ...

Euclid - 1776 - 264 σελίδες
...certain point within the fame are equal. XVI. That point is called the center of the circle. XVII. The diameter of a circle is a right line drawn through the center, and terminated on both ends by the circumference, and divides the circle into two equal parts....

A Synopsis of Practical Mathematics: Containing Plain Trigonometry ...

Alexander Ewing - 1779 - 266 σελίδες
...arc DB, or of the angle DCB. NB This is fometimes called the complement of an arc to a femicircle. o. The diameter of a circle, is a right line drawn through, the center, and terminated by the circumference, as AB. ID. The radius, is any right line drawn from the...

Euclid's Elements of Geometry: From the Latin Translation of Commandine, to ...

John Keill - 1782 - 399 σελίδες
...Point within the Figure, are equal. XVI. And that Point is called the Centre of the Circle. XVII. A Diameter of a Circle is a Right Line drawn through the Centre, and terminated tn both Sides by the Circumference, and divides the Circle into two equal Parts. XVIII....

A Treatise on Mensuration, Both in Theory and Practice

Charles Hutton - 1788 - 703 σελίδες
...45- The 45. The radius of a circle, is a right line drawn from the center to the circumference. 46. The diameter of a circle, is a right line drawn through the center, and terminating in the circumference on both fides. 47. An arc of a circle, is part of the...

Elements of Geometry: Containing the Principal Propositions in the First Six ...

Euclid - 1789 - 272 σελίδες
...DEFINITIONS. I. A radius of a circle, is a right line drawn from the centre to the circumference. 2. A diameter of a circle, is a right line drawn through the centre and terminated both ways by the circumference. 3. An arc of a circle, is any part of its periphery, or...

A Complete System of Practical Arithmetic, with Various Branches in the ...

William Taylor - 1800 - 519 σελίδες
...which all right lines drawn from a certain point within the figure, called its center, are equal. 7. The Diameter of a circle, is a right line drawn through the center, terminated at each end by the circumference, and divides the circle into two equal parts, each...

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

Samuel Webber - 1801
...circle. 4545. The radius of a circle is a right line, drawn from the centre to the circumference. 46. The diameter of a circle is a right line, drawn through the centre, and terminating in the circumference •n both sides. 47. An arc of a circle is any part • of the circumference. .-...

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

Robert Gibson - 1806 - 452 σελίδες
...the centre to the circumference : whence all radii of the same or of equal circles are equal. 1 6. The diameter of a circle is a right line drawn through the centre, and terminating on either side of the circumference ; and it divides the circle and circumference into two equal parts...

The Accomplished Tutor; Or, Complete System of Liberal Education ..., Τόμος 1

Thomas Hodson - 1806 - 458 σελίδες
...fig. ai. 30. The radius of a circle is a right line drawn from the centre to the circumference. 3 1. The diameter of a circle is a right line drawn through the centre, and bounded at each end by the circumference. 33. An arc of a circle is any part of the circumference....




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