Abhandlungen zur Geschichte der Mathematik.

De Inquisicione Capacitatis Figurarum. 51 in se, et similiter unam ypotenusarum in se, Fig. 21. et subtrahe unum quadratum ab alio, et residui radix quadrata est ipsa altitudo. 27. Piramidis ortliolateratae basi et ypotemtsa datis aream in quirere. (Fig. 21.) / Istae piramnidis lateratae sunt superficies c plures triangulae. Ideo area illarum quaeratur -- \\ per 11am huius, et area basis per eandemi vel 20am, et omnia sic inventa simul iungantur, et constat propositum. d 1 215 28. Piramidis rotundae aut lateratae regularis:ig. 22. datae basis et altitudinis crassitudinem invenire. Duc superficiem basis eius in suam altitudiner, et provenit crassitudo columpnae basis praedictae. Cuius d d si - acceperis, ipsa eadem - erit crassitudo pira- 15 midis praedictae. \e Patet per 9am duodecimi EuCLIDIS41) et per 12am addicionis CAMPANi42) ibidem. 29. Cubi et colum2nae orthoquadrilaterae clatorum laterum aream invenire. (Fig. 22.) 20 Age per 14am huius et habebis intentum. Omnes enini horum superficies orthoparallelogramnmi sunt. 30. Cubi et columzpnae ortl7oquadrilaterae datorum lateruml capacitatemn invenire. (Fig. 22.) ce x b Sit cubus seu columpna orthoquadrilatera dbcf, \ 25 cuius basis orthoquadrangula nota per 14am huius defg, altitudo vero ea. Duc igitur aream basis defg in altitudinem huiusmodi corporis, scilicet in ea, et producitur moles seu capacitas eius. 31. Solidi almuhaimn seu sibi similis datorum laterum et angulorum so aream invenire. (Fig. 23.) 4-5. circulo basis et yjpotenusa. - 7. triangulos. - 19-22. Finden sich im Manuscript zwischen ~ 39 und 40 eingeschoben. Siehe Einleitung. - 26. per 3am. 41) EUCLIDES XII, 9: Omnis columna rotunda pyramidi suae tripla esse comprobatur. 42) Es muss heissen: per addicionem 8ae CAMPANI ibidem. Dort heisst es nämlich: Omnis laterata columna tripla est ad suam pyramidem. 4*

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Title
Abhandlungen zur Geschichte der Mathematik.
Canvas
Page 36
Publication
Leipzig,: B. G. Teubner,
1877-99.
Subject terms
Mathematics -- Periodicals.
Mathematics -- History.

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"Abhandlungen zur Geschichte der Mathematik." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/acd4263.0003.001. University of Michigan Library Digital Collections. Accessed May 1, 2025.
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