Solid and Spherical Geometry and Conic Sections: Being a Treatise on the Higher Branches of Synthetical Geometry, Containing the Solid and Spherical Geometry of Playfair ... |
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Side 2
The angle formed by two intersecting planes is called a dihedral angle . 9 . Any
two angles are said to be of the same affection , when they are either both greater
or both not greater than a right angle . The same term is applied to arcs of the ...
The angle formed by two intersecting planes is called a dihedral angle . 9 . Any
two angles are said to be of the same affection , when they are either both greater
or both not greater than a right angle . The same term is applied to arcs of the ...
Side 13
A solid angle is formed by the meeting , in one point , of more than two plane
angles not in the same plane . When the solid angle is contained by three plane
angles , it is called a trihedral angle ; and if it be contained by more : than three , it
is ...
A solid angle is formed by the meeting , in one point , of more than two plane
angles not in the same plane . When the solid angle is contained by three plane
angles , it is called a trihedral angle ; and if it be contained by more : than three , it
is ...
Side 14
The surface of the sides of a pyramid or prism is called the lateral or convex
surface . A pyramid or prism is named according to the figure of its base .
According as the base is a triangle , a rectangle , a square , or a polygon , it is
said to be ...
The surface of the sides of a pyramid or prism is called the lateral or convex
surface . A pyramid or prism is named according to the figure of its base .
According as the base is a triangle , a rectangle , a square , or a polygon , it is
said to be ...
Side 43
A sphere is a solid conceived to be generated by the revolution of a semicircle
about its diameter . 2 . The centre of the semicircle is equally distant from every
point on the surface of the sphere , and is therefore called the centre of the
sphere .
A sphere is a solid conceived to be generated by the revolution of a semicircle
about its diameter . 2 . The centre of the semicircle is equally distant from every
point on the surface of the sphere , and is therefore called the centre of the
sphere .
Side 44
A spherical triangle is a figure formed on the surface of the sphere by arcs of
three great circles , called its sides , each of which is less than a semicircle . 9 . A
quadrantal triangle is that of which one of the sides is a quadrant . 10 . A lunary ...
A spherical triangle is a figure formed on the surface of the sphere by arcs of
three great circles , called its sides , each of which is less than a semicircle . 9 . A
quadrantal triangle is that of which one of the sides is a quadrant . 10 . A lunary ...
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Solid and Spherical Geometry and Conic Sections: Being a Treatise on the ... A. Bell Uten tilgangsbegrensning - 1837 |
Solid and Spherical Geometry and Conic Sections: Being a Treatise on the ... William Chambers,Robert Chambers,A Bell Ingen forhåndsvisning tilgjengelig - 2018 |
Solid and Spherical Geometry and Conic Sections: Being a Treatise on the ... William Chambers,Robert Chambers,A Bell Ingen forhåndsvisning tilgjengelig - 2015 |
Vanlige uttrykk og setninger
ABCD affection altitude angle ABC axis base bisects called centre circle common section cone conjugate consequently contained cord cosine curve cylinder described diameter difference distance divided draw drawn ellipse equal extremities fall figure foci focus fore given given point greater half Hence hyperbola inclination intercepted intersection join less line be drawn lines drawn manner measure meet namely opposite ordinate parabola parallel parallelogram pass perpendicular perspective plane point of contact pole primitive prism produced projection proportional PROPOSITION proved pyramid quadrant radius ratio reason rectangle right angles segments semi-ordinate sides similar sine small circle solid sphere spherical triangle square straight line surface tangent THEOREM third transverse triangle vertex vertical
Populære avsnitt
Side 50 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Side 15 - 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.
Side 25 - LR, the base of which is the parallelogram LQ, and of which LM is one of its insisting straight lines : therefore, because the parallelogram AB is equal to CD, as the base AB is to the base LQ, so is (7.
Side 17 - DAB, which contain the solid angle at A, are less than four right angles. Next, let the solid angle at A be contained by any number of plane angles BAC, CAD, DAE, EAF, FAB. These shall together be less than four right angles.
Side 27 - FC, as the solid HD to the solid DC. But the base HF is equal to the base AE, and the solid GK to the solid AB ; therefore, as the base AE to the base CF, so is the solid AB to the solid CD.
Side 53 - EM (2.) are ^quadrants, and FL, EM together, that is, FE and ML together, are equal to a semicircle. But since A is the pole of ML, ML is the measure of the angle BAC (3.), consequently FE is the supplement of the measure of the angle BAC.
Side 19 - And AB is parallel to CD ; therefore AC is a parallelogram. In like manner, it may be proved, that each of the figures CE, FG, GB, BF, AE is a parallelogram: Join AH, DF; and...
Side 5 - If two straight lines be at right angles to the same plane, they shall be parallel to one another. Let the straight lines AB, CD be at right angles to the same plane.
Side 9 - CA is at right angles to the given plane, it makes right angles with every straight line meeting it in that plane. But DAE, which is in that plane, meets CA : therefore CAE is a right angle. For the same reason BAE is a right angle. Wherefore the angle CAE is equal to the angle BAE ; and they are in one plane, which is impossible. Also, from a point above a plane, there can be but one perpendicular to that plane ; for if there could be two, they would be parallel (6.
Side 1 - The inclination of a straight line to a plane is the acute angle contained by that straight line, and another drawn from the point in which the first line meets the plane, to the point in which...
Bibliografisk informasjon
| Tittel | Solid and Spherical Geometry and Conic Sections: Being a Treatise on the Higher Branches of Synthetical Geometry, Containing the Solid and Spherical Geometry of Playfair ... Chambers's educational course Chambers's educational course,--ed. by W. and R. Chambers |
| Forfatter | A. Bell |
| Utgiver | William and Robert Chambers and sold by all booksellers, 1837 |
| Original fra | Oxford University |
| Digitalisert | 4. des 2006 |
| Lengde | 164 sider |
| Eksporter sitat | BiBTeX EndNote RefMan |