Prsetereain Triangulis Recìangulistam Planis quam Sphaericis, Hypotenufa di-catnr latus fubtendens angulù reòtum, ut Latus A C fubtendens angulum ABC.Cruraautemdicanturqu«eangulum comprehenduncre&um,utlacera AB,BC Problema u Datis Cruribus,Quaritur ANGVLVS alteruter. In Triangulo Rectangulo ABC…
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