The First Six Books: Together with the Eleventh and TwelfthJ. Balfour, 1781 - 520 σελίδες |
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Σελίδα 367
... given in magni- tude , when equals to them can be found . SP II . A ratio is faid to be given , when a ratio of a ... position . V. A circle is faid to be given in magnitude , when a straight line from its centre to the ...
... given in magni- tude , when equals to them can be found . SP II . A ratio is faid to be given , when a ratio of a ... position . V. A circle is faid to be given in magnitude , when a straight line from its centre to the ...
Σελίδα 387
... given mag- hitude AF has a given ratio to D. " PROP . XXVIII . IF two lines given in pofition cut one another , the point See N. or points in which they cut one another are given . Let two lines AB , CD given in position cut one another ...
... given mag- hitude AF has a given ratio to D. " PROP . XXVIII . IF two lines given in pofition cut one another , the point See N. or points in which they cut one another are given . Let two lines AB , CD given in position cut one another ...
Σελίδα 391
... given in position . IF PROP . XXXV . F a ftraight line be drawn between two parallel ftraight lines given in pofition , and makes given angles with them , the straight line is given in magnitude . Let the ftraight line EF be drawn ...
... given in position . IF PROP . XXXV . F a ftraight line be drawn between two parallel ftraight lines given in pofition , and makes given angles with them , the straight line is given in magnitude . Let the ftraight line EF be drawn ...
Σελίδα 394
... given in position , and makes a FE K F A EK G A G b 28. dat . BDH BH DC C A D / H C a 33. dat . given angle AHD ; AH is given in pofition ; and BC is likewife given in pofition , therefore the point H is gi - B ven : The point A is alfo ...
... given in position , and makes a FE K F A EK G A G b 28. dat . BDH BH DC C A D / H C a 33. dat . given angle AHD ; AH is given in pofition ; and BC is likewife given in pofition , therefore the point H is gi - B ven : The point A is alfo ...
Σελίδα 397
... given : And because the straight line FD is drawn to the given point Din DE which is given in pofition , making the ... position , making the given angle EDF ; therefore FD And because is given in pofition . the ratio of BA to AC ...
... given : And because the straight line FD is drawn to the given point Din DE which is given in pofition , making the ... position , making the given angle EDF ; therefore FD And because is given in pofition . the ratio of BA to AC ...
Άλλες εκδόσεις - Προβολή όλων
The First Six Books: Together with the Eleventh and Twelfth Euclid Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
alfo alſo angle ABC angle BAC bafe baſe BC is equal BC is given becauſe the angle becauſe the ratio bifected Book XI cafe centre circle ABCD circumference cone confequently cylinder defcribed demonftrated drawn EFGH equal angles equiangular equimultiples Euclid excefs faid fame manner fame multiple fame ratio fame reafon fecond fegment fide BC fides fimilar firft firſt folid angle fome fore fphere fquare of AC ftraight line AB ftraight line BC given angle given ftraight line given in fpecies given in magnitude given in pofition given magnitude given ratio gnomon greater join lefs likewife oppofite parallel parallelepipeds parallelogram perpendicular plane angles prifms PROP propofition pyramid ratio of BC rectangle contained rectilineal figure right angles ſquare thefe THEOR theſe triangle ABC wherefore
Δημοφιλή αποσπάσματα
Σελίδα 472 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
Σελίδα 170 - 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.
Σελίδα 81 - THE straight line drawn at right angles to the diameter of a circle, from the extremity of...
Σελίδα 105 - DEF are likewise equal (13. i.) to two right angles ; therefore the angles AKB, AMB are equal to the angles DEG, DEF, of which AKB is equal to DEG ; wherefore the remaining angle AMB is equal to the remaining angle DEF.
Σελίδα 167 - AC the same multiple of AD, that AB is of the part which is to be cut off from it : join BC, and draw DE parallel to it : then AE is the part required to be cut off.
Σελίδα 10 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle; and the straight line which stands on the other is called a perpendicular to it.
Σελίδα 62 - 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.
Σελίδα 112 - To describe an equilateral and equiangular pentagon about a given circle. • Let ABCDE be the given circle; it is required to describe an equilateral and equiangular pentagon about the circle ABCDE. Let the angles of a pentagon, inscribed in the circle...
Σελίδα 200 - 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...
Σελίδα 38 - F, which is the common vertex of the triangles ; that is, together with four right angles. Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.