There was a problem when proofreading this page.
266 BOOK VI. PROP. C. THEOR. fhall Y from any angle of a triangle a Jlraight line be drawn perpendi- cular to the bafe ; the rectangle contained by the fdes of the tri- angle is equal to the reSlangle contained by the perpendicular and the diameter of the circle defcribed about the triangle. From draw ■«>ii»«afa«« .. X of ^y ..-• — ; then Xthe diameter of the defcribed circle. Defcribe O (B. 4. pr. 5), draw its diameter and . and draw ^-im— • then becaufe ^ ■ >• (conft. and B. 3. pr. 31) ; ,Xl = /> (B. 3. pr. 21); .%*< is equiangular to / ^ • MHHaHMMHM l/^ and ,*. .-— .— (B. 6. pr. 16). (B. 6. pr. 4); X
Q^E. D.
 | An image should appear at this position in the text. A high-res raw scan of the page is available. To use it as-is, as a placeholder, edit this page and replace "{{missing image}}" with "{{raw image|First six books of the elements of Euclid 1847 Byrne.djvu/300}}". If it needs to be edited first (e.g. cropped or rotated), you can do so by clicking on the image and following the guidance provided. [Show image]  | |
