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" A cone is a solid figure described by the revolution of a right angled triangle about one of the sides containing the right angle, which side remains fixed. "
Lessons on the delineation of form - Σελίδα 65
των Charles Richson - 1848
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An elementary treatise on mensuration

Benjamin Theophilus Moore - 1863 - 320 σελίδες
...of a circular cone. DBF. A circular cone is the solid generated by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed : this line is called the axis of the cone. From Lemma n. Cor. 2, it will be manifest that a circular...

Primary Elements of Plane and Solid Geometry: For Schools and Academies

Evan Wilhelm Evans - 1862 - 116 σελίδες
...triangular faces are equal and isosceles. 3. A CONE is a solid described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed. The fixed side is called the axis of the cone. The hypotenuse describes the convex surface. The circle...

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

Euclides - 1864 - 448 σελίδες
...which passes through the center, and is terminated both ways by the superficies of the sphere. XVIII. A cone is a solid figure described by the revolution of a rightangled triangle about one of the sides containing the right angle. which side remains fixed. If...

Elements of plane geometry, book i, containing nearly the same propositions ...

Euclides - 1865 - 80 σελίδες
...circular solids — the cone, the cylinder, and the sphere. The cone they supposed to be generated by the revolution of a right angled triangle about one of the sides containing the right angle ; the cylinder by the revolution of a rectangle about one of its sides ; and the sphere by that of...

Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson ...

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...which passes through the center, and is terminated both ways by the superficies of the sphere. XVIII. A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed....

First Practical Lines of Geometrical Drawing ...

J. F. H. de Rheims - 1865 - 336 σελίδες
...cone is the circle described by that side containing the right angle which revolves. 21. A cylinder is a solid figure described by the revolution of a right angled parallelogram about one of its sides, which remains fixed. 22. The axis of a cylinder is the fixed...

The College Euclid: Comprising the First Six and the Parts of the Eleventh ...

Euclides - 1865 - 402 σελίδες
...which passes through the centre, and is terminated both ways by the superficies of the sphere. XVIII. A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed....

The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1867 - 424 σελίδες
...which passes through the centre, and is terminated both ways by the superficies of the sphere. 18. A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed....

The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Isaac Todhunter - 1867 - 426 σελίδες
...which passes through the centre, and is terminated both ways by the superficies of the sphere. 18. A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed....

Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1868 - 434 σελίδες
...which passes through the center, and is terminated both ways by the superficies of the sphere. XVIII. A cone is a solid figure described by the revolution of a rightangled triangle about one of the sides containing the right angle, which side remains fixed. If...




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