In right angled triangles, the rectilineal figure described upon the side opposite to the right angle, is equal to the similar, and similarly described figures upon the sides containing the right angle.
The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... - PÓgina 191
per Euclid, Robert Simson - 1806 - 518 pÓgines
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