gulum, in tria triangu-la: quorum altitudines a*quan-turradio circulijbafcs autemfiinclatera dati trianguli.& communisaltitudo F G dufta in femiifes fin-gulorum later urn, id eft in femi-perimetium, dabit areas triangu-lorum componentium A FC^AFB%A PC. id eft aream dati trianguli.… … *C*
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