T
H
E

E
L
E
M
E
N
T
S		 Book III   Proposition 36
But
    the square on EC is equal to the squares on CF, FE,
for the angle EFC is right; [I.47]
and
    the square on ED is equal to the squares on DF, FE;
therefore
    the rectangle AD, DC together with the square on EC is equal to the square on ED.
Previous Page    Return to Propositions    Next Page