Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth BooksJ. Rivington, 1765 - 464 Seiten |
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Seite 97
... whose base AC is bifected in the point E by the right line B E drawn from the angle в oppofite to the bafe : I fay , the fquares of the fides AB , B C are equal to twice the fquare of the bifecting line в E , together with twice the ...
... whose base AC is bifected in the point E by the right line B E drawn from the angle в oppofite to the bafe : I fay , the fquares of the fides AB , B C are equal to twice the fquare of the bifecting line в E , together with twice the ...
Seite 139
... base AD [ by 4. 1. ] is equal to the base DB . But [ by 28. 3. ] equal right lines cut off equal parts of cir ... whose diameter is B C , and centre E. Take any points A and D , in the circumference , and join B A , A C , A D , DC : I ...
... base AD [ by 4. 1. ] is equal to the base DB . But [ by 28. 3. ] equal right lines cut off equal parts of cir ... whose diameter is B C , and centre E. Take any points A and D , in the circumference , and join B A , A C , A D , DC : I ...
Seite 200
... base of the if fceles trian- gle , together with a unite added . Let A B C be an ifefceles triangle , whose base A c stands upon the circumference of the circle A E B H C , and verti- cal angle B is alfo in that circumference ; and let ...
... base of the if fceles trian- gle , together with a unite added . Let A B C be an ifefceles triangle , whose base A c stands upon the circumference of the circle A E B H C , and verti- cal angle B is alfo in that circumference ; and let ...
Seite 203
... whose base is the circumference of the circle , and perpendicular the femidiameter of the circle . 1. For [ fee the figure of the laft propofition ] let ABCDEFGH be a regular octagon , infcribed in or circum- fcribed about the circle ...
... whose base is the circumference of the circle , and perpendicular the femidiameter of the circle . 1. For [ fee the figure of the laft propofition ] let ABCDEFGH be a regular octagon , infcribed in or circum- fcribed about the circle ...
Seite 347
... whose base is the parallelogram A B , and its oppofite is GEHM : Therefore the whole folid parallelepipedon C M is equal to the whole folid parallelepipedon c N. Therefore folid . parallelepipedons upon the fame base , and having the ...
... whose base is the parallelogram A B , and its oppofite is GEHM : Therefore the whole folid parallelepipedon C M is equal to the whole folid parallelepipedon c N. Therefore folid . parallelepipedons upon the fame base , and having the ...
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Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth Books Euclid,David Gregory Keine Leseprobe verfügbar - 2023 |
Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth Books Euclid,David Gregory Keine Leseprobe verfügbar - 2023 |
Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth Books Euclid,David Gregory Keine Leseprobe verfügbar - 2016 |
Häufige Begriffe und Wortgruppen
A B C D alfo alſo angle ABC becauſe the angle bifected centre circle A B C circumference cone confequent cylinder defcribed demonftrated diameter equal angles equiangular equimultiples Euclid EUCLID's ELEMENTS fame altitude fame multiple fame ratio fame reafon fecond fegment femidiameter fhall fides A B fimilar fince firft firſt fixth folid angle folid parallelepipedon fome fphere ftand given circle given right line given triangle greater infcribed interfect join leffer lefs leſs parallel parallelogram perpendicular polygon prifm PROP propofition proportional pyramid rectangle contained regular polygon remaining angle right angles right line A B right lined figure right-lined SCHOLIUM ſquare thefe THEOR theſe thofe thoſe trapezium triangle ABC twice the fquare vertex the point Wherefore whofe bafe whoſe baſe
Beliebte Passagen
Seite 247 - 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.
Seite 30 - 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...
Seite 248 - But it was proved that the angle AGB is equal to the angle at F ; therefore the angle at F is greater than a right angle : But by the hypothesis, it is less than a right angle ; which is absurd.
Seite 18 - When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that on which it stands.
Seite 32 - Let the straight line EF, which falls upon the two straight lines AB, CD, make the alternate angles AEF, EFD equal to one another; AB is parallel to CD.
Seite 56 - 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.
Seite 391 - KL: but the cylinder CM is equal to the cylinder EB, and the axis LN to the axis GH; therefore as the cylinder EB to...
Seite 110 - If any two points be taken in the circumference of a circle, the straight line which joins them shall fall within the circle.
Seite 130 - When you have proved that the three angles of every triangle are equal to two right angles...
Seite 183 - FK : in the same manner it may be demonstrated, that FL, FM, FG are each of them equal to FH, or FK : therefore the five straight lines FG, FH, FK, FL, FM are equal to one another : wherefore the circle described from the centre F, at the distance of...