The Elements of Euclid: Viz, the First Six Books, Together with the Eleventh and Twelfth. The Errors, by which Theon, Or Others, Have Long Ago Vitiated These Books, are Corrected : and Some of Euclid's Demonstrations Restored : Also the Book of Euclid's Data, in Like Manner CorrectedJ. Nourse, London, 1781 - 520 sider |
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Resultat 1-5 av 55
Side 51
... number of parts ; the rectangle contained by the two ftraight lines , is equal to the rectangles contain- ed by the undivided line , and the feveral parts of the ¡ divided line . D 2 Let i Book II . a II . I ' b 3. OF EUCLID . ST.
... number of parts ; the rectangle contained by the two ftraight lines , is equal to the rectangles contain- ed by the undivided line , and the feveral parts of the ¡ divided line . D 2 Let i Book II . a II . I ' b 3. OF EUCLID . ST.
Side 52
... rectangle contained by the ftraight lines A , BC is equal to the rectangle contained by A , BD , together with that contain- ed by A , DE , and that contained by A , EC . с B DEC KLH A From the point B draw BF at right angles to BC ...
... rectangle contained by the ftraight lines A , BC is equal to the rectangle contained by A , BD , together with that contain- ed by A , DE , and that contained by A , EC . с B DEC KLH A From the point B draw BF at right angles to BC ...
Side 53
... rectangle contained by BA , AC ; for it is con- Book II . tained by DA , AC , of which AD is equal to AB ; and CE is contained by AB , BC , for BE is equal to AB ; therefore the rectangle contained by AB , AC , together with the ...
... rectangle contained by BA , AC ; for it is con- Book II . tained by DA , AC , of which AD is equal to AB ; and CE is contained by AB , BC , for BE is equal to AB ; therefore the rectangle contained by AB , AC , together with the ...
Side 54
... rectangle contain- ed by AC , CB , for GC is equal to CB ; therefore GE is alfo equal to the rectangle AC , CB ; wherefore AG , GE are equal to twice the rectangle AC , CB : And HF , CK are the fquares of AC , CB ; wherefore the four ...
... rectangle contain- ed by AC , CB , for GC is equal to CB ; therefore GE is alfo equal to the rectangle AC , CB ; wherefore AG , GE are equal to twice the rectangle AC , CB : And HF , CK are the fquares of AC , CB ; wherefore the four ...
Side 55
... rectangle con- tained by the unequal parts , together with the fquare of the line between the points of fection , is ... contained by AD , DB , for DH is equal EGF 2 . to DB ; and DF together with CH is the gnomon CMG ; e Cor . 4.1 therefore ...
... rectangle con- tained by the unequal parts , together with the fquare of the line between the points of fection , is ... contained by AD , DB , for DH is equal EGF 2 . to DB ; and DF together with CH is the gnomon CMG ; e Cor . 4.1 therefore ...
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The Elements of Euclid: Viz. The First Six Books, Together with the Eleventh ... Euclid Uten tilgangsbegrensning - 1793 |
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alfo alſo angle ABC angle BAC bafe baſe BC is equal BC is given becauſe the angle bifected Book XI cafe centre circle ABCD circumference cone confequently conftruction cylinder defcribed demonftrated diameter drawn equal angles equiangular equimultiples Euclid excefs faid fame manner fame multiple fame ratio fame reafon fecond fegment fides BA fimilar fince firft firſt folid angle fome fore fphere fquare of AC ftraight line AB given angle given ftraight line given in fpecies given in magnitude given in pofition given magnitude given ratio gnomon greater join lefs leſs likewife line BC oppofite parallel parallelepipeds parallelogram perpendicular polygon prifm propofition proportionals pyramid Q. E. D. PROP rectangle contained rectilineal figure right angles ſquare thefe THEOR theſe triangle ABC vertex wherefore