De rerum varietate, libri XVII . larulogioru linearupprimaalterius linee- diuifione,tatunde in partelineaspercuius fe£tione tranfit,duas ueroalias his etiaaequidiftates qua? fingulos compleat triangu-Ios,ut fint in uniuerfum linec;, piscter priores duas logifsi-mas,tredecim,c5ftituentes trigonos(ut uides)uiginti:atqi ita ere-cti, utquinq-,conficiant angulu folidum, flcoUl)tlrW> TfzhQ J s droqui dem uigmti triagulis c6p!ebut,folidis uero angulis tantumduodecim. Itauidestribus corporibusprincipalibus , qua:triagulis figuris circuambiutur,unius quide anguli fo!idi,ideft tetracedritribus tnangu
De rerum varietate, libri XVII . larulogioru linearupprimaalterius linee- diuifione,tatunde in partelineaspercuius fe£tione tranfit,duas ueroalias his etiaaequidiftates qua? fingulos compleat triangu-Ios,ut fint in uniuerfum linec;, piscter priores duas logifsi-mas,tredecim,c5ftituentes trigonos(ut uides)uiginti:atqi ita ere-cti, utquinq-,conficiant angulu folidum, flcoUl)tlrW> TfzhQ J s droqui dem uigmti triagulis c6p!ebut,folidis uero angulis tantumduodecim. Itauidestribus corporibusprincipalibus , qua:triagulis figuris circuambiutur,unius quide anguli fo!idi,ideft tetracedritribus tnangulis, fecundifiquidem octocedricjuatuor,tertij autem icofahedri quinque conftituuntur. Duodecedron uero tametfi unafigura coftarepofsitutreliqua,comodius tamen duabus atq; fimilibus igitur primum duo petagoni,inuice secmales, x~quilatcriq;,&a:cmiaguli,& fuper quodlibetlatus utriufquefiuguli petagoni fmilitcr a:quilateri atq; a?quiaguli confli-tuaturierunt lgitur duodecim cuxnprimis, ut etia in figura.
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