The geometry, by T. S. Davies. Conic sections, by Stephen FenwickJ. Weale, 1853 |
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Σελίδα 5
... third sides , equal ; and the two triangles shall be equal ; and their other angles shall be equal , each to each , viz . , those to which the equal sides are opposite . Let ABC , DEF be two triangles , which have the two sides AB , AC ...
... third sides , equal ; and the two triangles shall be equal ; and their other angles shall be equal , each to each , viz . , those to which the equal sides are opposite . Let ABC , DEF be two triangles , which have the two sides AB , AC ...
Σελίδα 13
... third side . Let ABC be a triangle ; any two sides of it together are greater than the third side , viz . , the sides BA , AC greater than the side BC , and AB , BC , greater than AC , and BC , CA greater than AB . Produce BA to the ...
... third side . Let ABC be a triangle ; any two sides of it together are greater than the third side , viz . , the sides BA , AC greater than the side BC , and AB , BC , greater than AC , and BC , CA greater than AB . Produce BA to the ...
Σελίδα 14
... third side , the two sides BA , AE , of the triangle ABE are greater than BE . To each of these add EC ; therefore ... third ( 20. 1. ) . Let A , B , C be the three given straight lines , of which any two whatever are greater than the ...
... third side , the two sides BA , AE , of the triangle ABE are greater than BE . To each of these add EC ; therefore ... third ( 20. 1. ) . Let A , B , C be the three given straight lines , of which any two whatever are greater than the ...
Σελίδα 17
... third angle BAC to the third angle EDF . For , if AB be not equal to DE , one of them must be the greater . Let AB be the greater of the two , and make BG ( 3. 1. ) equal to DE , and join GC ; therefore , because BG is equal to DE , and ...
... third angle BAC to the third angle EDF . For , if AB be not equal to DE , one of them must be the greater . Let AB be the greater of the two , and make BG ( 3. 1. ) equal to DE , and join GC ; therefore , because BG is equal to DE , and ...
Σελίδα 18
... third angle BAC to the third angle EDF . Therefore , if two triangles , etc. Q. E. D. PROPOSITION XXVII . THEOR . If a straight line , falling upon two other straight lines , makes the alternate angles equal to one another , these two ...
... third angle BAC to the third angle EDF . Therefore , if two triangles , etc. Q. E. D. PROPOSITION XXVII . THEOR . If a straight line , falling upon two other straight lines , makes the alternate angles equal to one another , these two ...
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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