H
E
E
L
E
M
E
N
T
S
ABCDE, FGHKL be similar polygons,
and
let AB, correspond to FG;
I say that
the polygons ABCDE, FGHKL are divided into similar triangles, and into triangles equal in multitude and in the same ratio as the wholes,
and
the polygon ABCDE has to the polygon FGHKL a ratio duplicate of that which AB has to FG.
