Geometry Without Axioms; Or the First Book of Euclid's Elements. With Alterations and Familiar Notes; and an Intercalary Book in which the Straight Line and Plane are Derived from Properties of the Sphere ...: To which is Added an Appendix ...Robert Heward, 1833 - 150 sider |
Inni boken
Side 27
... radii of the same or equal spheres are equal . And spheres that have equal radii , are equal . For all the points in the surface are * equidistant from the centre ; wherefore ( by Cor . 3 above ) the straight lines from the centre to ...
... radii of the same or equal spheres are equal . And spheres that have equal radii , are equal . For all the points in the surface are * equidistant from the centre ; wherefore ( by Cor . 3 above ) the straight lines from the centre to ...
Side 28
... radii . And if one point be said to be farther or nearer than some other , it shall always be understood that the straight line drawn to it is greater or less than the straight line drawn to the other . PROP . XI . 29 THEOREM - If two ...
... radii . And if one point be said to be farther or nearer than some other , it shall always be understood that the straight line drawn to it is greater or less than the straight line drawn to the other . PROP . XI . 29 THEOREM - If two ...
Side 30
... radii of these equal spheres are * equal ) ; whereupon the surfaces of the two spheres willt coincide throughout . And because the lines HOPLNM and IOPKNM are now traced on a common surface by a common point N , these lines will ...
... radii of these equal spheres are * equal ) ; whereupon the surfaces of the two spheres willt coincide throughout . And because the lines HOPLNM and IOPKNM are now traced on a common surface by a common point N , these lines will ...
Side 33
... radii BC and BD * INTERC.10 . respectively , describe * concentric spheres . In BC take any point Cor . 6. as E , between B and the surfaces of both these concentric spheres on the side of B which is towards C ; and about B as a centre ...
... radii BC and BD * INTERC.10 . respectively , describe * concentric spheres . In BC take any point Cor . 6. as E , between B and the surfaces of both these concentric spheres on the side of B which is towards C ; and about B as a centre ...
Side 38
... radii Constr . of the two spheres are ‡ equal , the spheres are * equal , and each will * INTERC.10 . Cor . 4 . coincide with and occupy the place formerly held by the other , and consequently their point of contact C will occupy the ...
... radii Constr . of the two spheres are ‡ equal , the spheres are * equal , and each will * INTERC.10 . Cor . 4 . coincide with and occupy the place formerly held by the other , and consequently their point of contact C will occupy the ...
Andre utgaver - Vis alle
Geometry Without Axioms; Or the First Book of Euclid's Elements. With ... Thomas Perronet Thompson Uten tilgangsbegrensning - 1833 |
Geometry Without Axioms; Or the First Book of Euclid's Elements. with ... Thomas Perronet Thompson Ingen forhåndsvisning tilgjengelig - 2015 |
Vanlige uttrykk og setninger
ABCD adjacent angles alternate angles angle ABC angle ACB angle BAC angular points assigned point Axiom axis base BC bisected called CEGDHF central distances change of place circle coincide throughout Constr demonstrated double equal angles equal straight lines equal to AC equal to EF equilateral triangle Euclid exterior angle extremities four right angles Geometry given straight line greater half the angle hard body inclose a space instance INTERC Intercalary Book ist equal join line AC magnitude manner meet opposite angles parallelogram parity of reasoning pass perpendicular prolonged Prop PROPOSITION proved quadrilateral radii radius rectilinear figure remain unmoved remaining angle remains at rest respectively SCHOLIUM self-rejoining line shown side BC side opposite situation sphere whose centre straight line BC tessera THEOREM.-If third side triangle ABC turned unlimited length Wherefore
Populære avsnitt
Side 51 - 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.
Side 109 - PARALLELOGRAMS upon the same base, and between the same parallels, are equal to one another...
Side 111 - Parallelograms upon the same base and between the same parallels, are equal to one another.
Side 120 - If the square described on one of the sides of a triangle be equal to the squares described on the other two sides of it, the angle contained by these two sides is a right angle.
Side 72 - Any two sides of a triangle are together greater than the third side.
Side 55 - From the greater of two given straight lines to cut off a part equal to the less. Let AB and C be the two given straight lines, whereof AB is the greater.
Side 70 - Any two angles of a triangle are together less than two right angles.
Side 138 - ... the exterior angle equal to the interior and opposite on the same side of the line ; and likewise the two interior angles on the same side of the line together equal to two right angles.
Side 106 - THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel.