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" A fphere is a folid figure defcribed by the revolution of a i'emicircle about its diameter, which remains unmoved. XV. The axis of a fphere is the fixed ftraight line about which the femicircle revolves. XVI. The centre of a fphere is the fame with that... "
Euclide's Elements: The Whole Fifteen Books Compendiously Demonstrated. With ... - Σελίδα 269
των Euclid, Isaac Barrow - 1714 - 520 σελίδες
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Euclide's Elements ... compendiously demonstrated, by I. Barrow. Transl

Euclides - 1660
...a fphere,ij that fixed right Kne, about which thelemicircle is moved. XVI. The Centre of a Sphere > is the fame point with that of the femicircle. XVII. The Diameter of a Sphere.it a right line drawn though the centre , and terr^iaated on either fide in the (uperficiesof...

Euclide's Elements: The Whole Fifteen Books Compendiously Demonstrated ...

Euclid, Isaac Barrow - 1732 - 514 σελίδες
...Hence, all the rays drawn from the center to the ftperficies of a fphere, arc equal amongft themfelyes. XV The Axis of a fphere, is that fixed right line,...XVI The Center of a fphere, is the fame point with the centep of the femicircle XVII. The Diameter of a fphere, is a right line drawn thro' the center,...

Euclide's Elements: The Whole Fifteen Books Compendiously Demonstrated: with ...

Euclid - 1751 - 384 σελίδες
...fuperficies of a fphere, are equal amongfl themfelves. XV. The Axis of a fphere, is that fixed right-line, about which the femicircle is moved, XVI. The Center of a fphere, is the fame point -with the center of the femicircle. XV1L The Diameter of a fphere, is a right-line drawn thro1 the center,...

The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - 1762 - 466 σελίδες
...the fixed ftraight line about which the femicircle revolves. XVI. The center of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles through the center, and is terminated both ways by the fuperficies of...

The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ...

Robert Simson - 1775 - 520 σελίδες
...the fixed ftraight line about which the femicircle revolves. XVI. The center of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles thro' the center, and is terminated both ways by the fupcrlkies of the...

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

Euclid - 1776 - 264 σελίδες
...defcribcd by a femicircle revolving about its diameter, which remains fixed in the fomf pofi tion. XV. The axis of a fphere is that fixed right line about which thi femicircle revolves. XVI. The centre of a fphere is the fame with that of tke circle. XVII. The...

The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 520 σελίδες
...the fixed flraight line about which the femicircle revolves. XVI. The centre of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles thro' the centre, and is terminated both ways by the fuperficies of...

Elements of Geometry;: Containing the First Six Books of Euclid, with Two ...

Euclid, John Playfair - 1795 - 400 σελίδες
...ftraight line about which the femicircle revolves. . ' . . XVI. The centre of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles through the centre, and is terminated both ways by the fu- . pcrficies...

The Elements of Euclid: Viz. the First Six Books, with the Eleventh and ...

Alexander Ingram - 1799 - 351 σελίδες
...the fixed ftraight line about which the femicircle revolves. XVI. The centre of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles through the centre, and is terminated both ways by the fuperficies of...

The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - 1804
...fixed ftraight line about which the fe. micircle revolves. XVI. The center of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which panes thro* the center, and is terminated both ways by the fuperficies of the...




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