Volume 2
The elements of Euclid explain'd. In a new, but most easie method, together with the use of every proposition through all parts of the mathematicks / Written in French, by that exccellent [sic] mathematician F. Claud. Francis Milliet de Chales ... And now carefully done into English. And purg'd from a multitude of errors, which had escap'd in the original.
- Euclid
- Date:
- 1685
Licence: Public Domain Mark
Credit: The elements of Euclid explain'd. In a new, but most easie method, together with the use of every proposition through all parts of the mathematicks / Written in French, by that exccellent [sic] mathematician F. Claud. Francis Milliet de Chales ... And now carefully done into English. And purg'd from a multitude of errors, which had escap'd in the original. Source: Wellcome Collection.
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No text description is available for this image
No text description is available for this image
No text description is available for this image![| cher ; cheféfore che aholes ACB, A; and B, ‘|| char is co faysall che angles of the triangle ABC, | ‘are equal to two right angles, or, which is al} | one, co 180 degrees. pk Corollary 1. AM the three angles of one tri- ai] angle are equal to all che three angles of another Jin) triangle, | Coroll. 2. If two angles of one triangle be ‘| equal cotwoangles of another triangle, cheir | thitd anotes are allo equal, | Corol. 3. If a triangle has one right angle, 41 the other ewo will be acure 3 and taken toge- ._,| thet willbe equal to one righcancle. | |. σον, 4/Ftom à point given dhely one Buts pendicular can be drawn vo the fame line ; ‘be- | ‘caufea trianele cannot have tWo right angles. |: Céroll, $, Α perpendicular is the fhorreft of | all che lines, ‘that. cah be drawn'from the {ithe aS) point to cfie (athe line, ο 7 ο | Ομ, 6, Tu a rectangle triangle the righr ii) angle is che oreaceft angle, and the fide Oppos'd ‘”] to ic the creareft fide. ο. pl Οσοι. 7. Every angle of an equilateral cri- Ai i) angle contains 60 degrees ; that is to fay, che | third pare of 180. | > = ree The HSE. * This Propofition is of ufe in Afronomy to η. wel “determine the Parallax, Suppofe che ροῖης | À](https://iiif.wellcomecollection.org/image/b30337069_0002_0077.jp2/full/800%2C/0/default.jpg)