Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of Solids ; to which are Added Elements of Plane and Spherical Trigonometry |
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Αποτελέσματα 6 - 10 από τα 100.
Σελίδα 30
At the point B in the straight A line AB , let the two straight lines BC , BD upon the opposite sides of AB , make the adjacent angles ABC , ABD equal together to two right angles . BD is in the same straight line with CB .
At the point B in the straight A line AB , let the two straight lines BC , BD upon the opposite sides of AB , make the adjacent angles ABC , ABD equal together to two right angles . BD is in the same straight line with CB .
Σελίδα 31
Let ABC be a triangle , and let its side BC be produced to D , the exterior angle ACD is greater than either of the interior opposite angles CBA , BAC . Bisect ( 10. 1. ) AC in E , join E BE and produce it to F , and make EF equal to BE ...
Let ABC be a triangle , and let its side BC be produced to D , the exterior angle ACD is greater than either of the interior opposite angles CBA , BAC . Bisect ( 10. 1. ) AC in E , join E BE and produce it to F , and make EF equal to BE ...
Σελίδα 32
Let ABC be any triangle ; any A two of its angles together are less than two right angles . Produce BC to D ; and because ACD is the exterior angle of the triangle ABC , ACD is greater ( 16. 1. ) then the interior and opposite angle ABC ...
Let ABC be any triangle ; any A two of its angles together are less than two right angles . Produce BC to D ; and because ACD is the exterior angle of the triangle ABC , ACD is greater ( 16. 1. ) then the interior and opposite angle ABC ...
Σελίδα 33
Let ABC be a triangle , of which the angle ABC is greater than the angle BCA ; the side AC is likewise greater than the side AB . For , if it be not greater , AC must A either be equal to AB , or less than it ; it is not equal , because ...
Let ABC be a triangle , of which the angle ABC is greater than the angle BCA ; the side AC is likewise greater than the side AB . For , if it be not greater , AC must A either be equal to AB , or less than it ; it is not equal , because ...
Σελίδα 36
Let ABC , DEF be two triangles which have the two sides AB , AC equal to the two DE , DF each to each viz . AB equal to DE , and AC to DF ; but the angle BAC greater than the angle EDF ; the base BC is also greater than the base EF .
Let ABC , DEF be two triangles which have the two sides AB , AC equal to the two DE , DF each to each viz . AB equal to DE , and AC to DF ; but the angle BAC greater than the angle EDF ; the base BC is also greater than the base EF .
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ABC is equal ABCD altitude angle ABC angle BAC arch base bisected Book called centre circle circle ABC circumference coincide common cylinder definition demonstrated described diameter difference divided double draw drawn equal equal angles equiangular Euclid exterior angle extremity fall fore four fourth given given straight line greater half inscribed interior join less Let ABC magnitudes manner meet multiple opposite parallel parallelogram pass perpendicular plane polygon prism produced PROP proportionals proposition proved radius ratio reason rectangle contained rectilineal figure right angles segment shewn sides similar sine solid square straight line taken tangent THEOR thing third touches triangle ABC wherefore whole
Πληροφορίες βιβλιογραφίας
| Τίτλος | Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of Solids ; to which are Added Elements of Plane and Spherical Trigonometry |
| Συγγραφέας | John Playfair |
| Εκδότης | E. Duyckinck, and George Long, 1824 |
| Πρωτότυπο από | Πανεπιστήμιο της Ιντιάνα |
| Ψηφιοποιήθηκε στις | 15 Ιαν. 2009 |
| Μέγεθος | 333 σελίδες |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |