The First Six Books: Together with the Eleventh and TwelfthJ. Balfour, 1781 - 520 páginas |
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Página 13
... equal to one another . VIII . Magnitudes which coincide with one another , that is , which exactly fill the fame space , are equal to one another . IX . 14 Book I. IX . The whole is greater than OF EUCLID . 13 POSTULATES. ...
... equal to one another . VIII . Magnitudes which coincide with one another , that is , which exactly fill the fame space , are equal to one another . IX . 14 Book I. IX . The whole is greater than OF EUCLID . 13 POSTULATES. ...
Página 14
Together with the Eleventh and Twelfth Euclid. 14 Book I. IX . The whole is greater than its part . X. Two straight lines cannot inclose a space . XI . All right angles are equal to one another . XII . " If a ftraight line meets two ...
Together with the Eleventh and Twelfth Euclid. 14 Book I. IX . The whole is greater than its part . X. Two straight lines cannot inclose a space . XI . All right angles are equal to one another . XII . " If a ftraight line meets two ...
Página 17
... whole triangle ABC fhall coincide with the whole triangle DEF , and be equal to it ; and the other angles of the one fhall coincide with the remaining angles of the other , and be equal to them , viz . the angle ABC to the angle DEF ...
... whole triangle ABC fhall coincide with the whole triangle DEF , and be equal to it ; and the other angles of the one fhall coincide with the remaining angles of the other , and be equal to them , viz . the angle ABC to the angle DEF ...
Página 18
... whole AF is equal to the whole AG , of which the parts AB , AC , are equal ; the re- B C G E mainder BF fhall be equal to the remainder CG ; and FC was proved to be equal to GB ; therefore the two fides BF , FC are equal to the two CG ...
... whole AF is equal to the whole AG , of which the parts AB , AC , are equal ; the re- B C G E mainder BF fhall be equal to the remainder CG ; and FC was proved to be equal to GB ; therefore the two fides BF , FC are equal to the two CG ...
Página 37
... whole exterior angle ACD is equal to the two interior and oppofite angles CAB , ABC ; to these equals add the angle ACB , and the angles ACD , ACB are equal to the three angles CBA , BAC , ACB ; but the angles ACD , ACB are equal to two ...
... whole exterior angle ACD is equal to the two interior and oppofite angles CAB , ABC ; to these equals add the angle ACB , and the angles ACD , ACB are equal to the three angles CBA , BAC , ACB ; but the angles ACD , ACB are equal to two ...
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Términos y frases comunes
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
Pasajes populares
Página 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.
Página 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.
Página 81 - THE straight line drawn at right angles to the diameter of a circle, from the extremity of...
Página 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.
Página 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.
Página 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.
Página 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.
Página 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...
Página 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...
Página 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.