rculo- tionibus,dicoquodproportio quadrati finus redi totius ad produ&u ex finu,gratia exepli,redo b g in finu redu g p, efl ueluti finus uerii anguli g coteti a b g & g f ad finuu uerforu dirferetiam,quoru finuum uerforu alter eftfinus arcus f b tertij lateris,alter afcus diifcrentia? gb… … L I B. XII. C A P. h X. ygj tur finus re&us, medictatis illius areus: rectauero qux Arcus,cbordaportio eft diametri tendens a iinu reclo ad arcum,uocatur///»«ra7z«,e?finus uerfus medietatis eiufdem arcus. Exemplum , in cir-finus ucrfus,-culo a c b d , dicitur a e b chorda, arcus acb: diuidat…
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