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Divers ouvrages (1693)

Roberval, Gilles Personne de, 1602-1675 · [Paris : s.n.] · leaf 142

An illustration from Divers ouvrages, 1693, leaf 142
Gcometrica hxc cric. Re£lâ lineâ utcunqueterminatâ -, &: expofito qiiovis angulo rcâ:ilineo : fi àre£ba: liiiex terminis ad aliquod pundum inclincnturdux alia: rcclar qux angulum expofito xqualem coati-néant : erit hoc pundum, five vertex anguli, ad alicu-jus portionis circuli circumferentiam.… … G A -JEqualia effe quadraro diametri AB, ac proinde ipfamcircumferentiam locum efle ad fummam duorum qua-dratorum uni cidemque quadrato femper arqualem. Atque etiam Ci aflumpta punda non fint ipfa A, B,fed alia duo quarcunque in reclà AB etiam produclâ,fi libuerit, modo ipfa pun£la à centro K hinc…

Geometry · Mathematics

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