Elements of Geometry;: Containing the First Six Books of Euclid, with Two Books on the Geometry of Solids. To which are Added, Elements of Plane and Spherical TrigonometryBell & Bradfute, and G. G. & J. Robinson, London., 1795 - 400 páginas |
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Página 8
... given finite ftraight line . Let AB be the given ftraight line ; it is required to describe an equilateral triangle upon it . From the centre A , at the distance AB , de- a 3. Poftu- fcribe a the ... A to B draw a the straight 8 . ELEMENTS.
... given finite ftraight line . Let AB be the given ftraight line ; it is required to describe an equilateral triangle upon it . From the centre A , at the distance AB , de- a 3. Poftu- fcribe a the ... A to B draw a the straight 8 . ELEMENTS.
Página 9
... straight line AB ; and upon it defcribe b the equilateral triangle DAB , and produce the ftraight lines DA , DB , to ... given point A a ftraight line AL has been drawn equal to the given straight line BC . Which was to be done . PROP ...
... straight line AB ; and upon it defcribe b the equilateral triangle DAB , and produce the ftraight lines DA , DB , to ... given point A a ftraight line AL has been drawn equal to the given straight line BC . Which was to be done . PROP ...
Página 15
... given rectilineal angle , that is , to di- vide it into two equal angles ... line AF bifects the angle BAC . D Because AD is equal to AE , and AF is ... straight line AF . Which was to be done . T PROP . X. PROB . E c8 . I. F O bisect a ...
... given rectilineal angle , that is , to di- vide it into two equal angles ... line AF bifects the angle BAC . D Because AD is equal to AE , and AF is ... straight line AF . Which was to be done . T PROP . X. PROB . E c8 . I. F O bisect a ...
Página 16
... line 7 AB is divided into two equal parts in the point D. Which was to be done . A " PRO P. XI . PROB . B a 3. I. b I. I. c 8. I. " O draw a ftraight line at right angles to a given ftraight line , from a given point in the fame . To Let AB ...
... line 7 AB is divided into two equal parts in the point D. Which was to be done . A " PRO P. XI . PROB . B a 3. I. b I. I. c 8. I. " O draw a ftraight line at right angles to a given ftraight line , from a given point in the fame . To Let AB ...
Página 17
... straight line perpendicular to a given ftraight line of an unlimited length , from a gi- ven point without it . Let AB be the given straight line , which may be produced to any length both ways , and let C be a point without it . It is ...
... straight line perpendicular to a given ftraight line of an unlimited length , from a gi- ven point without it . Let AB be the given straight line , which may be produced to any length both ways , and let C be a point without it . It is ...
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Elements of Geometry: Containing the First Six Books of Euclid, with a ... Formerly Chairman Department of Immunology John Playfair Sin vista previa disponible - 2015 |
Términos y frases comunes
ABCD alfo alſo angle ABC angle ACB angle BAC arch bafe baſe BC is equal becauſe the angle bifected Book VII cafe centre circle ABC circumference co-fine cylinder defcribed demonftrated diameter draw drawn equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle faid fame manner fame plane fame ratio fame reaſon fecond fegment femicircle fhall fhewn fimilar fince firft firſt folid fore fquare of AC ftraight line AB fuch given ftraight line gnomon greater impoffible infcribed interfect join lefs leſs Let ABC line BC magnitudes muſt oppofite angle parallel parallelepiped parallelogram perpendicular polygon prifm propofition proportionals radius rectangle contained rectilineal figure remaining angle right angles ſhall ſpace ſquare tangent thefe THEOR theſe thoſe touches the circle triangle ABC wherefore