Proceedings of the Edinburgh Mathematical SocietyScottish Academic Press, 1887 |
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Resultat 1-5 av 47
Side 2
... straight line and a single aperture of the compasses , as if one had in ... given at all by Cardano , are very briefly dismissed by Benedetti , and in ... given by the authors , but the constructions have not been tampered with . When the ...
... straight line and a single aperture of the compasses , as if one had in ... given at all by Cardano , are very briefly dismissed by Benedetti , and in ... given by the authors , but the constructions have not been tampered with . When the ...
Side 4
... a given straight line to describe an equilateral triangle . Euclid I. 1. See figures 1 , 2 . Let AB be the given straight line . Make AC and BD each equal to the given aperture . On AC describe the equilateral triangle ACE , and on BD ...
... a given straight line to describe an equilateral triangle . Euclid I. 1. See figures 1 , 2 . Let AB be the given straight line . Make AC and BD each equal to the given aperture . On AC describe the equilateral triangle ACE , and on BD ...
Side 5
3. To bisect a given angle . Euclid I. 9. See figure 5 . Let ACB be the given angle . With C as centre cut CA and CB at D and E. as centres describe circles intersecting in F. Join CF. 4. To bisect ... a given point to draw a straight line.
3. To bisect a given angle . Euclid I. 9. See figure 5 . Let ACB be the given angle . With C as centre cut CA and CB at D and E. as centres describe circles intersecting in F. Join CF. 4. To bisect ... a given point to draw a straight line.
Side 6
7. From a given point to draw a straight line equal to a given straight line . Euclid I. 2. See figures 9 , 10 . ( a ) Let A be the given point , BC the given straight line . ( Fig . 9 ) Join AB , and through C draw CD parallel to AB .
7. From a given point to draw a straight line equal to a given straight line . Euclid I. 2. See figures 9 , 10 . ( a ) Let A be the given point , BC the given straight line . ( Fig . 9 ) Join AB , and through C draw CD parallel to AB .
Side 7
From AE cut off AF Through A draw AE parallel to CD . equal to AB ; and from CD cut off CG equal to AF . CG is the part required . ( e ) Let the given straight lines AB and CD , of which CD is the greater , be in the same straight line ...
From AE cut off AF Through A draw AE parallel to CD . equal to AB ; and from CD cut off CG equal to AF . CG is the part required . ( e ) Let the given straight lines AB and CD , of which CD is the greater , be in the same straight line ...
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Vanlige uttrykk og setninger
arithmetic axes bisect body centrode centre of inversion centre of similitude cercle chord circonférence circumscribed circle collinear common tangent conique curve density deux diameter distance draw droite Edinburgh EDINBURGH MATHEMATICAL SOCIETY ellipse equation equiangular polygon equilateral polygon equilateral triangle Euclid figure fluid foyer F geometrical GEORGE THOM given aperture given circle given point given straight line given triangle greater Hence inscribed and circumscribed intersect Join l'angle l'axe radical le point medians middle point minimum numbers n-gon nine-point circle number of sides parallel pericyclic perpendicular plane polaire problem progression quadrilateral radical axis radius rapport rectangle of inversion right angle similar space centrode square supposed Take any point tangent term theorem transformation triangle ABC triangle whose sides valeur velocity vertices vortex vortices W. J. MACDONALD δε σ δρ