Arithmetica Logarithimica . triangulo gut/itoA O B, circuitsittfcribii cuius raditu erit 2. erit que area perimetro data aqn*lis% alias, erit*rca minor perimetro. Capvt. XXIIII. Ex dath quah or line is refits, quarumtres fmulfumptafunt motor esreliqua, Quadrtlaterum quod fit in Circuit conjlttuere. * SVnto data latera,partium 2, & vccerti fimus delatcrum fitu,fiat vt-cunquequodimperatur:fitqnc-4i?,3.(71^^,5. Inprimis au-tem qua?renda? funt Diagonij AC,BD. qua?interfecantur inpunftoE. Quodvt commodius fiat demonftrandum eft hoc Lemma. Lemmi. Segment urn quodlibet A E eft ad reliq
Arithmetica Logarithimica . triangulo gut/itoA O B, circuitsittfcribii cuius raditu erit 2. erit que area perimetro data aqn*lis% alias, erit*rca minor perimetro. Capvt. XXIIII. Ex dath quah or line is refits, quarumtres fmulfumptafunt motor esreliqua, Quadrtlaterum quod fit in Circuit conjlttuere. * SVnto data latera,partium 2, & vccerti fimus delatcrum fitu,fiat vt-cunquequodimperatur:fitqnc-4i?,3.(71^^,5. Inprimis au-tem qua?renda? funt Diagonij AC,BD. qua?interfecantur inpunftoE. Quodvt commodius fiat demonftrandum eft hoc Lemma. Lemmi. Segment urn quodlibet A E eft ad reliquam Diagoni-»m BD,v jxtlui a Uteribus eidtm \tgmento confer-minis A F, A D 1 o, ad 26 fummamfatlorum a Uteri*bus ijfdem A B, 2. A D, 5, in fua conteimtnn later a jSB C, 3. D C, 4. Sunt enim triangula oppofita AEB*DEC, fimilia. item BEC, A ED. Et-idcirco eritAEzdEB, vt 5 ad 3. &^£ad£D,vt 2ad4. Etft idem numerus mult/plicet facfi funt prtptrtttna/esmultipltcatU. 5 & 3 per z raciunt 10 & 6*. &, 2 & 4.
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Keywords: ., bookcentury1600, bookdecade1620, bookidarithmetical, bookyear1624
