|Book III Proposition 7|
Again, since BE is equal to CE, and FE is common,
the two sides BE, EF are equal to the two sides CE, EF.
the angle BEF is also greater than the angle CEF;
the base BF is greater than the base CF. [I.24]
For the same reason
CF is also greater than FG.
|Previous Page Return to Propositions Next Page|