T H E E L E M E N T S |
Book VI Proposition 20 | |
For, if BD be again joined, since, as CA is to AD, so is EA to AB, while, as CA is to AD, so is the triangle ABC to the triangle BAD, and as EA is to AB, so is the triangle EAD to the triangle BAD, [VI.I] therefore, as the triangle ABC is to the triangle BAD, so is the triangle EAD to the triangle BAD; [V.11] |
||
Previous Page Return to Propositions Next Page |