An introduction to geometry, consisting of Euclid's Elements, book i, accompanied by numerous explanations, questions, and exercises, by J. Walmsley. [With] Answers, Τόμος 11884 |
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Σελίδα 15
... . Which figure may be described as lozenge - shaped ' ? 10. From derivations previously given , infer that of ' diagonal . ' THE POSTULATES . 15. INSTRUMENTS FOR THE CONSTRUCTION OF THE POSTULATES . 15 POSTULATES POSTULATES.
... . Which figure may be described as lozenge - shaped ' ? 10. From derivations previously given , infer that of ' diagonal . ' THE POSTULATES . 15. INSTRUMENTS FOR THE CONSTRUCTION OF THE POSTULATES . 15 POSTULATES POSTULATES.
Σελίδα 16
Euclides John Walmsley. THE POSTULATES . 15. INSTRUMENTS FOR THE CONSTRUCTION OF THE FIGURES . We shall require to draw many figures in order to help our reasoning ; and for this purpose we might use various instruments , some of which ...
Euclides John Walmsley. THE POSTULATES . 15. INSTRUMENTS FOR THE CONSTRUCTION OF THE FIGURES . We shall require to draw many figures in order to help our reasoning ; and for this purpose we might use various instruments , some of which ...
Σελίδα 17
... construction by comparing it with the figure which accompanies the next Exercise . AXIOMS . 17. THE FOUNDATIONS OF REASONING IN GEOMETRY . Numerous facts are known relating to geometrical figures ; and Euclid's object is to establish ...
... construction by comparing it with the figure which accompanies the next Exercise . AXIOMS . 17. THE FOUNDATIONS OF REASONING IN GEOMETRY . Numerous facts are known relating to geometrical figures ; and Euclid's object is to establish ...
Σελίδα 23
... construction shall be effected . The Enunciation of a Problem is divided into two parts , namely , the datum ( or , plural , data ) , and the quaesitum ( or , plural , quaesita ) . In Latin , datum means something given , and quaesitum ...
... construction shall be effected . The Enunciation of a Problem is divided into two parts , namely , the datum ( or , plural , data ) , and the quaesitum ( or , plural , quaesita ) . In Latin , datum means something given , and quaesitum ...
Σελίδα 26
... CONSTRUCTION OF A PROPOSITION . The Construction of a proposition describes the steps by which we complete the diagram so as to make it sufficient for the purposes of our reasoning . It usually precedes the proof , but may be sometimes ...
... CONSTRUCTION OF A PROPOSITION . The Construction of a proposition describes the steps by which we complete the diagram so as to make it sufficient for the purposes of our reasoning . It usually precedes the proof , but may be sometimes ...
Άλλες εκδόσεις - Προβολή όλων
An Introduction to Geometry, Consisting of Euclid's Elements, Book I ... Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2013 |
An Introduction to Geometry, Consisting of Euclid's Elements, Book I ... Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
An Introduction to Geometry, Consisting of Euclid's Elements, Book I ... Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
AB is equal AC is equal adjacent angles alternate angle angle ABC angle ACB angle AGH angle BAC angle BCD angle equal angles CBA axiom base BC bisects the angle centre circle circumference Constr construction definition describe diagonal Diagram diameter enunciation equal and parallel equal angles equal sides equal to BC EQUIANGULAR POLYGONS equilateral triangle Euclid Euclid's Elements exterior four right angles Geometry given angle given point given straight line greater hypotenuse hypothesis inference isosceles triangle join less Let ABC magnitude meet middle point opposite angles opposite interior angle opposite sides pair of equal parallel to BC parallelogram perpendicular Postulate produced proof Prop proposition prove quadrilateral rectilineal figure respectively equal rhombus right angles right-angled triangle sides equal square supplementary angles theorems thesis trapezium triangle ABC triangles are equal unequal vertex Wherefore
Δημοφιλή αποσπάσματα
Σελίδα 132 - To a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Σελίδα 86 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 139 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.
Σελίδα 133 - The complements of the parallelograms, which are about the diameter of any parallelogram, are equal to one another.
Σελίδα 134 - Prove that parallelograms on the same base and between the same parallels are equal in area.
Σελίδα 134 - To draw a straight line through a given point parallel to a given straight line. Let A be the given point, and BC the given straight line ; it is required to draw a straight line through the point A, parallel to the straight hue BC.
Σελίδα 50 - if two straight lines" &c. QED COR. 1. From this it is manifest, that if two straight lines cut one another, the angles which they make at the point where they cut, are together equal to four right angles.
Σελίδα 20 - PROB. from a given point to draw a straight line equal to a given straight line. Let A be the given point, and BC the given straight line : it is required to draw from the point A a straight line equal to BC.
Σελίδα 96 - Parallelograms upon the same base and between the same parallels, are equal to one another.
Σελίδα 49 - If at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles ; then these two straight lines shall be in one and the same straight line.