|Book III Proposition 8|
Again, since ME is equal to MF, and MD is common, therefore
the two sides EM, MD are equal to the two sides FM, MD;
the angle EMD is greater than the angle FMD;
the base ED is greater than the base FD. [I.24]
Similarly we can prove that
FD is greater than CD.
|Previous Page Return to Propositions Next Page|