The school Euclid: comprising the first four books, by A.K. Isbister |
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Αποτελέσματα 1 - 5 από τα 15.
Σελίδα 8
... sides of the one equal to two sides of the other , each to each ; and have likewise the angles contained by these sides equal to each other : then they shall likewise have their bases , or third sides , equal ; and the two triangles ...
... sides of the one equal to two sides of the other , each to each ; and have likewise the angles contained by these sides equal to each other : then they shall likewise have their bases , or third sides , equal ; and the two triangles ...
Σελίδα 26
Any two sides of a triangle are together greater than the third side . ( References - Prop . I. 3 , 5 , 19 ; ax . 9. ) Let ABC be a triangle . Then any two sides of it together are greater than the third side , viz . , the sides BA ...
Any two sides of a triangle are together greater than the third side . ( References - Prop . I. 3 , 5 , 19 ; ax . 9. ) Let ABC be a triangle . Then any two sides of it together are greater than the third side , viz . , the sides BA ...
Σελίδα 27
A D B C CONSTRUCTION Produce BD to meet AC in E. DEMONSTRATION Because two sides of a triangle are greater than the third side , ( 1. 20 ) therefore the two sides BA , AE , of the triangle ABE , are greater than BE ; to each of these ...
A D B C CONSTRUCTION Produce BD to meet AC in E. DEMONSTRATION Because two sides of a triangle are greater than the third side , ( 1. 20 ) therefore the two sides BA , AE , of the triangle ABE , are greater than BE ; to each of these ...
Σελίδα 28
Let A , B , C be three given right lines , of which any two whatever are greater than the third -- viz . , A and B together greater than C ; A and C together greater than B ; and B and C greater than A. It is required to make a triangle ...
Let A , B , C be three given right lines , of which any two whatever are greater than the third -- viz . , A and B together greater than C ; A and C together greater than B ; and B and C greater than A. It is required to make a triangle ...
Σελίδα 32
... the third angle of the one equal to the third angle of the other . ( References - Prop . 1. 3 , 4 , 16 ; ax . 1. ) Let the two triangles ABC , DEF , have the angles ABC , BCA , equal to the angles DEF , EFD , each to each ; also one ...
... the third angle of the one equal to the third angle of the other . ( References - Prop . 1. 3 , 4 , 16 ; ax . 1. ) Let the two triangles ABC , DEF , have the angles ABC , BCA , equal to the angles DEF , EFD , each to each ; also one ...
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The School Euclid: Comprising the First Four Books, by A.K. Isbister Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
The School Euclid: Comprising the First Four Books, by A.K. Isbister Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD angle ABC angle BAC angle BCD angle equal assumed base base BC BC is equal bisect centre circle ABC circumference coincide common constr CONSTRUCTION DEMONSTRATION describe diameter distance divided double draw Edition equal to AC equilateral and equiangular exterior angle extremity fall figure four given circle given straight line greater half impossible inscribed join less Let ABC likewise manner meet opposite angles parallel parallelogram pass pentagon perpendicular produced proved Q. E. D. PROP reason rectangle contained References-Prop remaining angle right angles segment semicircle shown side BC sides square of AC straight line AC THEOREM third touches the circle triangle ABC twice the rectangle wherefore whole
Δημοφιλή αποσπάσματα
Σελίδα 141 - 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 35 - If a side of any triangle be produced, the exterior angle is equal to the two interior and opposite angles ; and the three interior angles of every triangle are equal to two right angles.
Σελίδα 71 - In obtuse-angled triangles, if a perpendicular be drawn from either of the acute angles to the opposite side produced, the square of the side subtending the obtuse angle, is greater than the squares of the sides containing the obtuse angle, by twice the rectangle contained by the side upon which, when produced, the perpendicular falls, and the straight line intercepted without the triangle, between the perpendicular and the obtuse angle. Let ABC be an obtuse-angled triangle, having the obtuse angle...
Σελίδα 33 - That, if a straight line falling on two straight lines make the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than the two right angles.
Σελίδα 61 - If a straight line be bisected and produced to any point, the rectangle contained by the whole line thus produced and the part of it produced, together with the square of...
Σελίδα 43 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Σελίδα 27 - ... shall be greater than the base of the other. Let ABC, DEF be two triangles, which have the two sides AB, AC, equal to the two DE, DF, each to each, viz.
Σελίδα 77 - An angle in a segment is the angle contained by two straight lines drawn from any point in the circumference of the segment to the extremities of the straight line which is the base of the segment.
Σελίδα 15 - The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles.
Πληροφορίες βιβλιογραφίας
| Τίτλος | The school Euclid: comprising the first four books, by A.K. Isbister |
| Συγγραφέας | Euclides |
| Επιμελητής | Alexander Kennedy Isbister |
| Εκδόθηκε | 1862 |
| Πρωτότυπο από | Πανεπιστήμιο Οξφόρδης |
| Ψηφιοποιήθηκε στις | 18 Απρ. 2006 |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |