T
H
E

E
L
E
M
E
N
T
S
Book III   Proposition 8
Therefore, of the straight lines DA, DE, DF, DC falling on the concave circumference AEFC,
    DA is greatest,
while
    DE is greater than DF,
and
    DF than DC.

Being what it was required to prove.
Previous Page    Return to Propositions    Next Page