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" ... than the other side, an obtuse-angled ; and if greater, an acute-angled cone. XIX. The axis of a cone is the fixed straight line about which the triangle revolves. XX. The base of a cone is the circle described by that side containing the right angle,... "
Euclide's Elements: The Whole Fifteen Books Compendiously Demonstrated: with ... - Σελίδα 197
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Euclide's Elements ... compendiously demonstrated, by I. Barrow. Transl

Euclides - 1660 - 368 σελίδες
...it be leflej it is an obtult-anglcd Conej if greater, an acute- angled Cone. XI XThe Axis of a Gone is that fix'd line about which the triangle is moved. , XX. The 17о rbeelevtntb tt : Г." — X X.The Bafe of a Cone is the cjrcje,which ц defcribcd by the tight...

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...is a reftangled Cone : but if it be lei's, it is an obtufe-angled Cone ; if greater an acute- angled Cone. XIX. The Axis of a Cone is that fix'd line about which the triangle is moved, XX, The XX. TheBafe of a Cone is the circle, which is defcribed by the right line moved about. XXI. A Cylinder...

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Euclid, Isaac Barrow - 1732 - 436 σελίδες
...contained! the right angle, then the Cone is a .rectangled Cone : But if it be left, it is an obtufe-angled Cone ; if greater, an acute-angled Cone. XIX. The Axis of a Cone is that fix'd line about ivhich the triangle is moved. XX. The Bafe of a Cone is the circle, which isdeIcribed by the right...

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John Ward (of Chester.) - 1747 - 516 σελίδες
...Reßangled Cone; " but if it be lefs, 'tis an Obtufe angled Cone; it greater, an ** Acute angled Cone. The Axis of a Cone is that fix'd Line ** about which the Triangle is mov'd : The Bafe of a Cone is the " Circle, which is defcrio'd by the Right Line mov'd about." (Defin....

The Young Mathematician's Guide: Being a Plain and Easy Introduction to the ...

John Ward - 1747 - 492 σελίδες
...; *' but if it be lefs, 'tis an Obtufe-angled Cone; if greater, art " Acute- angled Cone. The /fxis of a Cone is that fix'd Line " about which the Triangle is jnov'd : The Bafe of a Cone is the " Circle, which is defcrib'd by the Right Line mov'd about." (Defin....

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

John Keill - 1772 - 462 σελίδες
...contains the Right Angle, then the Cone is a reEIangular Cone ; but, if it be lefs, it is an obtufe-angled Cone ; if greater, an acute-angled Cone. XIX. The Axis of a Cone is that fixed Right Line, about -which the Triangle is moved. XX. The Bafe of a Cone is the Circle defcribed...

Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Euclides - 1845 - 546 σελίδες
...the cone is called a right-angled cone ; if it be less than the other side, an obtuse-angled ; and if greater, an acute-angled cone. XIX. The axis of a cone is the fixed straight line about which the triangle revolves. XX. The base of a cone is the circle described...

The Elements of Euclid, the parts read in the University of Cambridge [book ...

Euclides - 1846 - 292 σελίδες
...containing the right angle, the cone is called a right-angled cone, if less, an obtuse-angled, and if greater, an acute-angled cone. xix. The axis of a cone is the fixed straight line about which the triangle revolves. xx. The base of a cone is the circle described...

The definitions, postulates, axioms, and enunciations of the propositions of ...

Euclides - 1848 - 52 σελίδες
...flie cone is called a right-angled cone ; if it be less than the other side, an obtuse-angled; and if greater, an acute-angled cone. XIX. The axis of a cone is the fixed straight line about which the triangle revolves. XX. The base of a cone is the circle described...

The school edition. Euclid's Elements of geometry, the first six books, by R ...

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...angle, the cone is called a right-angled cone; if it be less than the other side, an obtuse-angled; and if greater, an acute-angled cone. XIX. The axis of a cone is the fixed straight line about which the triangle revolves. XX. The base of a cone is the circle described...




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