The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago Vitiated These Books, are Corrected and Some of Euclid's Demonstrations are Restored. Also, to this Second Edition is Added the Book of Euclid's Data. In Like Manner Corrected. viz. the first six books, together with the eleventh and twelfthR. and A. Foulis, 1762 - 466 Seiten |
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Seite 221
... parallelepiped , mentioned in the next and fome following Propofitions , are the fides of the ⚫ parallelograms betwixt the base and the oppofite plane parallel ' to it . ' PROP . XXIX . THEOR . SOLID parallelepipeds upon the fame bafe ...
... parallelepiped , mentioned in the next and fome following Propofitions , are the fides of the ⚫ parallelograms betwixt the base and the oppofite plane parallel ' to it . ' PROP . XXIX . THEOR . SOLID parallelepipeds upon the fame bafe ...
Seite 223
... parallelepiped AH , is equal to the remaining parallelepiped AK . Therefore folid parallelepipeds , & c . Q. E. D. PROP . XXX . THEOR . SOLID parallelepipeds upon the fame base , and of see N. the fame altitude , the infifting ftraight ...
... parallelepiped AH , is equal to the remaining parallelepiped AK . Therefore folid parallelepipeds , & c . Q. E. D. PROP . XXX . THEOR . SOLID parallelepipeds upon the fame base , and of see N. the fame altitude , the infifting ftraight ...
Seite 224
... parallelepipeds , & c . Q. E. D. PROP . XXXI . THEOR . SOLID parallelepipeds which are upon equal bases , and of the fame altitude , are equal to one another . Let the folid parallelepipeds AE , CF , be upon equal bases AB , * CD , and ...
... parallelepipeds , & c . Q. E. D. PROP . XXXI . THEOR . SOLID parallelepipeds which are upon equal bases , and of the fame altitude , are equal to one another . Let the folid parallelepipeds AE , CF , be upon equal bases AB , * CD , and ...
Seite 225
... parallelepiped LR the base of which is the parallelogram LQ , and of which LM is one of its in- fifting straight ... parallelepipeds SE , CF be upon equal bafes SB , CD , and be of the fame altitude , and let their infifting ftraight ...
... parallelepiped LR the base of which is the parallelogram LQ , and of which LM is one of its in- fifting straight ... parallelepipeds SE , CF be upon equal bafes SB , CD , and be of the fame altitude , and let their infifting ftraight ...
Seite 227
... parallelepipeds , & c . Q. E. D. PROP . XXXII . THEOR . 30. 11 . SOLID parallelepipeds which have the fame altitude , see X. are to one another as their bafes . Let AB , CD be folid parallelepipeds of the fame altitude . they are to one ...
... parallelepipeds , & c . Q. E. D. PROP . XXXII . THEOR . 30. 11 . SOLID parallelepipeds which have the fame altitude , see X. are to one another as their bafes . Let AB , CD be folid parallelepipeds of the fame altitude . they are to one ...
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alfo alſo angle ABC angle BAC bafe baſe BC is equal BC is given becauſe the angle becauſe the ratio bifected Book XI cafe circle ABCD circumference cone confequently conftruction cylinder defcribed demonftrated drawn equal angles equiangular equimultiples Euclid excefs faid fame multiple fame ratio fame reaſon fecond fegment fhall fhewn fides fimilar firft firſt folid angle fome fore fquare of BC given angle given in fpecies given in magnitude given in pofition given magnitude given ratio given ſtraight line gnomon greater join lefs leſs Let ABC likewife line BC muſt oppofite parallel parallelepipeds parallelogram perpendicular polygon prifms Propofition proportionals pyramid Q. E. D. PROP reafon rectangle rectangle contained rectilineal figure right angles ſhall ſphere ſquare ſtraight line AB thefe THEOR theſe thro tiple triangle ABC wherefore
Beliebte Passagen
Seite 5 - Let it be granted that a straight line may be drawn from any one point to any other point.
Seite 163 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Seite 48 - If a straight line be divided into any two parts, the squares of the whole line, and of one of the parts, are equal to twice the rectangle contained by the whole and that part, together with the square of the other part. Let the straight line AB be divided into any two parts in the point C; the squares of AB, BC are equal to twice the rectangle AB, BC, together with the square of AC.
Seite 73 - The straight line drawn at right angles to the diameter of a circle, from the extremity of it, falls without the circle; and no straight line can be drawn from the extremity between that straight line and the circumference, so as not to cut the circle...
Seite 105 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal...
Seite 3 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Seite 167 - Similar triangles are to one another in the duplicate ratio of their homologous sides.
Seite 54 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.
Seite 47 - If a straight line be divided into two equal parts, and also into two unequal parts; the rectangle contained by the unequal parts, together with the square of the line between the points of section, is equal to the square of half the line.
Seite 37 - To describe a parallelogram that shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.