The Elements of EuclidA. Foulis, 1838 - 466 sider |
Inni boken
Resultat 1-3 av 85
Side 19
Euclid Robert Simson. thefe add the angle ACB , therefore the angles ACD , ACB are Book I. greater than the angles ABC , ACB . but ACD , ACB are together equal to two right angles ; therefore the angles ABC , BCA are b . 13. 1 . lefs than ...
Euclid Robert Simson. thefe add the angle ACB , therefore the angles ACD , ACB are Book I. greater than the angles ABC , ACB . but ACD , ACB are together equal to two right angles ; therefore the angles ABC , BCA are b . 13. 1 . lefs than ...
Side 85
... ABC , ADC , and join BA , AD , DC . the angle in the femicircle BAC is a right angle ; and the angle in the fegment ABC , which is greater than a femicircle , is less than a right angle ; and the angle in the fegment ADC which is less ...
... ABC , ADC , and join BA , AD , DC . the angle in the femicircle BAC is a right angle ; and the angle in the fegment ABC , which is greater than a femicircle , is less than a right angle ; and the angle in the fegment ADC which is less ...
Side 418
... triangle has a given obtufe angle ; the excess of the fquare of the fide which fubtends the obtuse an- gle above the fquares of the fides which contain it , fhall have a given ratio to the triangle . Let the triangle ABC have a given obtufe ...
... triangle has a given obtufe angle ; the excess of the fquare of the fide which fubtends the obtuse an- gle above the fquares of the fides which contain it , fhall have a given ratio to the triangle . Let the triangle ABC have a given obtufe ...
Andre utgaver - Vis alle
Vanlige uttrykk og setninger
AC is equal alfo alſo angle ABC angle BAC bafe baſe BC is given becauſe the angle bifected Book XI cafe 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 fhall fhewn fide BC fides fimilar fince firft firſt folid angle fome fore 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 muſt oppofite parallel parallelepipeds parallelogram perpendicular prifms Propofition proportionals pyramid rectangle contained rectilineal figure right angles ſhall ſphere ſquare thefe THEOR theſe thro tiple triangle ABC wherefore