Geometry of PositionMacmillan and Company, 1891 - 192 páginas |
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Página xiv
... Line joining Focus to Intersection of Tangents Constancy of Sum or Difference of Radii Vectors Perpendiculars let fall from Foci on Tangents . 79 , 80 35. To find the Foci 33 , 34 . 36. The Variable Segment subtending Constant Angle at ...
... Line joining Focus to Intersection of Tangents Constancy of Sum or Difference of Radii Vectors Perpendiculars let fall from Foci on Tangents . 79 , 80 35. To find the Foci 33 , 34 . 36. The Variable Segment subtending Constant Angle at ...
Página 3
... line . DEF . - A transversal is a line drawn across the sides or sides produced of a closed figure or a pencil of ... join b'l and b′2 intersecting the rays Oa and Oc in a ' and c ' respect- ively . Then by Art . 1 the triangles abc and a'b'c ...
... line . DEF . - A transversal is a line drawn across the sides or sides produced of a closed figure or a pencil of ... join b'l and b′2 intersecting the rays Oa and Oc in a ' and c ' respect- ively . Then by Art . 1 the triangles abc and a'b'c ...
Página 4
... line cd meeting the transversal in the point 3 , k Fig . .3 m ' and join the points 3 and c ' by a line meeting the ray Od in a point d ' ; then it follows that the triangles acd and da'c'd ' , whose sides . meet upon the same ...
... line cd meeting the transversal in the point 3 , k Fig . .3 m ' and join the points 3 and c ' by a line meeting the ray Od in a point d ' ; then it follows that the triangles acd and da'c'd ' , whose sides . meet upon the same ...
Página 5
... Join ac and produce the dia- gonals km and ln to meet the third diagonal ac in d and b ; then the line ad will be harmonically divided in b , c ; or , in other terms , the product ad . bc of the whole span ad and the central span be is ...
... Join ac and produce the dia- gonals km and ln to meet the third diagonal ac in d and b ; then the line ad will be harmonically divided in b , c ; or , in other terms , the product ad . bc of the whole span ad and the central span be is ...
Página 7
... line OF in ƒ . Join and produce fg ; then , by construction , the opposite sides gd and Of of the quadrangle Ogdf meet the line FC in a common point F , the opposite sides fd and Og meet the same line in a common point E , the diagonal ...
... line OF in ƒ . Join and produce fg ; then , by construction , the opposite sides gd and Of of the quadrangle Ogdf meet the line FC in a common point F , the opposite sides fd and Og meet the same line in a common point E , the diagonal ...
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Términos y frases comunes
A. W. VERRALL ABCD Assistant Master asymptotes bending-moment bisect BOOK Cambridge centre of gravity chord circle complete quadrangle conjugate diameters conjugate points conjugate rays construct corresponding curve describe diagonals directrix double points draw drawn parallel Edited elastic line ELEMENTARY ellipse equal Fcap foci forces funicular funicular polygon G. E. FASNACHT GEOMETRY GREEK harmonically separated Hence HISTORY homologous homologous points hyperbola Illustrated inflexion-line intercept involute system involution ISAAC TODHUNTER line joining line of action lines PT LL.D load major axis meet opposite sides Owens College pairs of opposite parabola pencil perpendicular pier plane point at infinity point of contact point of intersection polar distance pole polygon Prof Professor punctuated line quadrangle ratio reciprocal rectangular respectively revised School shew straight line tangent traversing TREATISE triangle Trinity College vertical wherefore whilst