Page:First six books of the elements of Euclid 1847 Byrne.djvu/4

This page does not need to be proofread.

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:First_six_books_of_the_elements_of_Euclid_1847_Byrne.djvu/4&oldid=7625868"