Philosophiae naturalis principia mathematica . inpartes datis hujus partibus T>E &. EF fimiles Sc gequales feca-bitur. Age reftas *D£, EFy T>Fy & trianguli hujus T>EF pone an-gulos ©, ii, i^ad reftas illas pofitione datas (per Lem. xxvi.) Deincirca triangulum defcribe Trajeftoriam Curvae T> E F fimilem &aequalem. ^ M LEMMA 92; De PHILOSOPHIiE NATURALISL E M M A XXVII. Trapezhim fpecte datum defcrthere cujus anguli ad re&asquatuor pofitione datas, qu^e neque omnes parallela funt^neque ad commune punBum convergunt, fmguli ad fingulas confijlent^ Dentur pofitione ref
Philosophiae naturalis principia mathematica . inpartes datis hujus partibus T>E &. EF fimiles Sc gequales feca-bitur. Age reftas *D£, EFy T>Fy & trianguli hujus T>EF pone an-gulos ©, ii, i^ad reftas illas pofitione datas (per Lem. xxvi.) Deincirca triangulum defcribe Trajeftoriam Curvae T> E F fimilem &aequalem. ^ M LEMMA 92; De PHILOSOPHIiE NATURALISL E M M A XXVII. Trapezhim fpecte datum defcrthere cujus anguli ad re&asquatuor pofitione datas, qu^e neque omnes parallela funt^neque ad commune punBum convergunt, fmguli ad fingulas confijlent^ Dentur pofitione reftae quatuor ABC, AT), BT>y CE^ qua-fum prima fecet fecundam in ^, tertiam in ^, & quartam in C:& defcribendum fit Trapezium fg h i quod fit Trapezio FGHI. iimile, & cujus angulus/. angulo dato Faequalis, tangat reftamABC, caeterique anguli^, h, i. casteris angulis darjs G, /^, /aequa-les , tanganr caeteras lineas AD^ BTy^ CE refpedive. JungarurFH 6z fuper FGy FH, FI deicribantur totidetn circulorum ^eg--menta FSGt FTHy FFI, quorum primum FSG capiat angu- ium rKlNCIPIA MATHEMATICA> ^j lum aequalem angulo BAT^y fecundum i^T/7 capiat angulum se- Lieerqualem angulo CBT>, ac tertium FF/capiat angulum aequalem ^^ ^^angulo AC E. Dercribi autem debent fegmenta ad eas partes li-nearumFG, FH, FI, ut literarum F^Gi^idem fit ordo circu-laris qui lirerarum B A^DB, utqueliteraeFr//Feodemordinecumliteris CBT> Cy8c literse FVl F eodem cum literis ACEA inorbem redeanr. Co^npleantur fegmenta in circulo? integros, fit-que y centrum circuli primi FSG, & ^ centruni fecundi & utrinque producatur P^, & in ea capiatur ^R in earatione ad ?*^,quam habet 5 Cad A B. Capiatur autem ^i? adeas partes puncti ^ut literarum T, G^ R
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