The geometry, by T. S. Davies. Conic sections, by Stephen FenwickJ. Weale, 1853 |
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... METHOD OF CONTOURS . General Principles • 339 Graduation of Horizontally Projected Lines · • . • 344 Planes · 349 General Principles Practical Perspective Miscellaneous Propositions Isometric Projection Projections of the Sphere YRARELI ...
... METHOD OF CONTOURS . General Principles • 339 Graduation of Horizontally Projected Lines · • . • 344 Planes · 349 General Principles Practical Perspective Miscellaneous Propositions Isometric Projection Projections of the Sphere YRARELI ...
Seite 84
... method like to that used for the pentagon . PROPOSITION XVI . PROB . To inscribe an equilateral and equiangular quindecagon in a given circle . Let ABCD be the given circle ; it is required to inscribe an equi- lateral and equiangular ...
... method like to that used for the pentagon . PROPOSITION XVI . PROB . To inscribe an equilateral and equiangular quindecagon in a given circle . Let ABCD be the given circle ; it is required to inscribe an equi- lateral and equiangular ...
Seite 110
... be also the same . [ This theorem is important , and must be demonstrated by the pupil . The method ex absurdo is perhaps the most simple . ] BOOK VI . DEFINITIONS . 1. SIMILAR rectilineal figures are 110 EUCLID'S ELEMENTS .
... be also the same . [ This theorem is important , and must be demonstrated by the pupil . The method ex absurdo is perhaps the most simple . ] BOOK VI . DEFINITIONS . 1. SIMILAR rectilineal figures are 110 EUCLID'S ELEMENTS .
Seite 139
... method we employ , the description must be adequate , complete , and devoid of superfluous con- ditions . The postulate simply predicates that the elementary figures are con- struct , leaving out all implication of the means of making ...
... method we employ , the description must be adequate , complete , and devoid of superfluous con- ditions . The postulate simply predicates that the elementary figures are con- struct , leaving out all implication of the means of making ...
Seite 157
... method of putting a point in perspective . PROPOSITION XXVI . Let there be a point E on one side of the plane MN , and any number of parallel lines AB , A'B ' , etc. , on the other ; and let EF be drawn parallel to them meeting the ...
... method of putting a point in perspective . PROPOSITION XXVI . Let there be a point E on one side of the plane MN , and any number of parallel lines AB , A'B ' , etc. , on the other ; and let EF be drawn parallel to them meeting the ...
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ABC is equal ABCD adjacent angles angle ABC angle BAC axis bisected centre circle ABC circumference coincide cone construction coordinate planes described Descriptive Geometry diameter dicular dihedral angles draw edges ellipse equal angles equiangular equimultiples given line given point given straight line greater hence horizontal hyperbola inclination intersection join less Let ABC Let the plane line BC lines drawn magnitudes meet multiple orthograph parabola parallel planes parallelogram parallelopiped perpen perpendicular perpendicular to MN plane MN plane of projection plane parallel plane PQ prisms profile angles profile plane projecting plane Prop Q. E. D. PROPOSITION ratio rectangle rectangle contained rectilineal figure remaining angle respectively right angles SCHOLIUM segment sides six right sphere spherical angle tangent THEOR trace triangle ABC trihedral vertex Whence Wherefore