The Elements of Descriptive Geometry ... |
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Página vii
... that the various problems of the geometry of three dimensions , which had been solved before his time by a variety of processes , could be reduced to a small number of abstract problems , and formed simple and entirely general ...
... that the various problems of the geometry of three dimensions , which had been solved before his time by a variety of processes , could be reduced to a small number of abstract problems , and formed simple and entirely general ...
Página 16
60 ° ; and = 240 , 5 × 60 = 300 : a solid 5 equals of an equilateral A ; 3 × 60 = 180 , 4 × 60 may be formed of 3 , 4 , but not more , :: 6 × 60 360 four rights . The solids so formed are respectively called the Tetrahedron ...
60 ° ; and = 240 , 5 × 60 = 300 : a solid 5 equals of an equilateral A ; 3 × 60 = 180 , 4 × 60 may be formed of 3 , 4 , but not more , :: 6 × 60 360 four rights . The solids so formed are respectively called the Tetrahedron ...
Página 17
containing three of theses , may be formed . A regular solid , which has this kind of , is called the Dodecahedron . As the interior of a hexagon be formed of the plane same may be said of the than six sides .
containing three of theses , may be formed . A regular solid , which has this kind of , is called the Dodecahedron . As the interior of a hexagon be formed of the plane same may be said of the than six sides .
Página 20
The projection of a line upon a plane is the line formed by the projections of every point of the former line . M B From the different points of the curve AB , let fall perpendi- culars on the plane мN ; the curve line ab , formed by ...
The projection of a line upon a plane is the line formed by the projections of every point of the former line . M B From the different points of the curve AB , let fall perpendi- culars on the plane мN ; the curve line ab , formed by ...
Página 35
Since the two vertical lines are in the same plane with ab , conceive through в a line to be drawn parallel to ab , and terminated at the other vertical , a right - angled triangle will be formed , of which the base is ab , and the al- ...
Since the two vertical lines are in the same plane with ab , conceive through в a line to be drawn parallel to ab , and terminated at the other vertical , a right - angled triangle will be formed , of which the base is ab , and the al- ...
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Palavras e frases frequentes
angle arcs assumed axes axis base called centre circle coincide common cone conic consequently considered construction contains corresponding curve curve of intersection cylinder described Descriptive determined developed dicular distance draw draw the tangent drawn equal evident example faces figure formed generatrixes given line given point ground line helix Hence HISTORY horizontal plane horizontal projection horizontal trace intersection length line joining lines parallel magnitude means meet moving necessary normals obtained obviously Octavo parallel perpen perpendicular plane of projection plane passing plane pqp point of contact polygon position PROBLEM produced PROPOSITION radius required plane respectively right angles sides situated solid sought space sphere straight line supposed surface tangent plane third plane tion true vertex vertical plane vertical projection vertical trace
Passagens conhecidas
Página 101 - A MANUAL of CHRISTIAN ANTIQUITIES ; or an Account of the Constitution, Ministers, "Worship, Discipline, and Customs of the Early Church ; with an Introduction, containing a Complete and Chronological Analysis of the "Works of the Antenicene Fathers.
Página 11 - If two straight lines meeting one another be parallel to two other straight lines which meet one another, but are not in the same plane with the first two; the plane which passes through these is parallel to the plane passing through the others.
Página 10 - From the same point in a given plane there cannot be two straight lines at right angles to the plane, upon the same side of it : and there can be but one perpendicular to a plane from a point above the plane.
Página 101 - HISTORY of the CHURCH of ENGLAND, to the REVOLUTION in 1688; embracing Copious Histories of the Thirty-Nine Articles, the Translation of the Bible, and the Compilation of the Book of Common Prayer.
Página 6 - IF two straight lines be parallel, the straight line drawn from any point in the one to any point in the other is in the same plane with the parallels.* Let AB, CD be parallel straight lines, and take any point E in the one, and the point F in the other : the straight line which joins E and F is in the same plane with the parallels.
Página 103 - BIBLE CYCLOPEDIA; a Comprehensive Digest of the Civil and Natural History, Geography, Statistics, and General Literary Information connected with the Sacred Writings.
Página 101 - CV. *HISTORY OF THE CHRISTIAN CHURCH ; from the Ascension of Jesus Christ to the Conversion of Constantine. By the late EDWARD BURTON, DD, Regius Professor of Divinity at Oxford.
Página 2 - A solid angle is that which is made by the meeting of more than two plane angles, which are not in the same plane, in one point. X. ' The tenth definition is omitted for reasons given in the notes.
Página 105 - Progressive Exercises in Greek Tragic Senarii, followed by a Selection from the Greek Verses of Shrewsbury School, and prefaced by a short Account of the Iambic Metre and Style of Greek Tragedy.
Página 7 - Two straight lines which are each of them parallel to the same straight line, and not in the same plane with it, are parallel to one another. Let AB...
Informação bibliográfica
| Título | The Elements of Descriptive Geometry ... |
| Autor | Thomas Grainger Hall |
| Editora | Parker, 1841 |
| Original de | Universidade de Oxford |
| Digitalizado | 21 Abr 2006 |
| Número de páginas | 100 páginas |
| Exportar citação | BiBTeX EndNote RefMan |