Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
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92 (Piartide vtigonometie 21. 3ere4ne bae gleicfct5enffige Rugelbreied (b = c) auc: a) a- 1430 12' 28", b -- 790 54' 13"; b) - 1290 8' 53", - 620 43' 38"; c) a = 600, b =870 22,4'; d) b = 78~ 23,7', 3 = 57 39,2'. 22. 23ered)ne ein re)twtinffigee Rugefbreied (y = 90~) aus: a) a + b = 1840 19' 35" nb c = 1080 49' 52"; b)a - b 380 24'17" unb c - 79~ 13'38"; c) c= 670 14,8' unb c + = 123~ 29,5'; d) c= 72 31,3' unb a- - 42~ 43,5'; e) b + c = 1070 24' 3" unb - 92~ 47' 57"; f) c- 54 13'21" unb a + = 830 38'25". 23. a) bit h) 3eredne für ben Rugetrabiu R- 1 bie ftäc)eninaQtte ber in Slufg. 18 a) bie d), ufng. 19 e) unb f) unb fdIie[tiij tufg. 21 c) unb d) ge9 nannten Zreiede. 24. 9uf einer Rugetl om Rabiun R == 43,7 cm ift ein rect)nttinigee itgetl breiec (y = 90~) ge5eicfnet, tobei eine atjete a = 128~ unb\betren egenwtinet. = 120~ beträgt; wie grob ift ber äacfleninft)at? 25. a) S33ae tirb man in einem reStwintligen Augetbreied (y 90~) unter ber ötje unb vae unter ben tgpotenuientabcf>nitten terftel)en? - Seredcne in bem burtd a = 490 12,7' unb b = 930 28,2' beftimmten recttintfigeen Rugetbreiec (y -= 90~) b) bie 5o1e h unb e) bie tPotenufenabjfnitte p unb q. 26. Oeweiie bie:ormeln (fa-y -- =90~): a) tg a =/t c tgp unb b) sinh =/tgp tgq. 27. a) 3ae tberftejt man unter einer Süö)e eine afgenteinen üugelbreiedE? b) O8eredcne bie 5töe h, eine Suegelbreied, ba beftiimmt wtirb burd bie etücfe: a = 1090 3,4', b = 560 49,7', a 84~ 27,9'. (O3rauc)ft ba bei bieter e 9uLrecnung bie eeite a?) c) $3erecne in bem eben genannten Sreied bie 5t)ena'bfjcnitte auf c unb bann c fetlbt. (Orau)ft bu jett bie Ceite a?) 28. a) ßwnei enfrect aufeinanberfte4fenbe ebenen EI unb E2 uerben on einer britten E3 fo gefctnitten, ba <) (EI, E3) = 430 unb < (E2, E) = 850 ift; vwelde Ceiten fat biefe rectwinflige Körperlitce (fde? (ßetcie Xilfiutgef wirft bu beu nuten, um bie ntufgabe an einem trecdtoinligen gugelbreieC bucrdc^uflttren?) b) 3ie1e in ber ebene E1 eine eerabe g, bie mit ber ectjnittgeraben (EI, E) - wobei ivieber EI fenfrect auf E2 fteben joff - einen S3infet oon 450 bilbet unb lege burct g eine britte ebene E3, bie gegen Es unter 800 geneigt ift; unter teIT cdem SinieI ift E3 gegen E, geneigt? 29. (in recttwtintigege 2cr4enfreuA wtirb ton einer ebene E jo geic)nitten, baf3 tji bie 2tcjfenabiC)nitte wie 1:2: 3 tertatten. a) Unter teelcnten Stineln jcneibet bie ebene E bie ebenen bee [ctienereunee? b) S3elcje ainfteI tat ba~ in ber ebene E liegenbe ecinittbreied? 30. a) cE)neibe aun eapier einen Sreitefetor mit bem renttriiuinfel ton 2500 unb teile intt buLrd) niffen -bee ßapier tiom 3entruma aus o in brei gettoren, bag ber eine einen 3entritintfelt on 900 tat unb bie betben anberen gteic> gro
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About this Item
- Title
- Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
- Author
- Lietzmann, Walther, 1880-1959.
- Canvas
- Page 89
- Publication
- Leipzig [etc.]: B. G. Teubner,
- 1916-20.
- Subject terms
- Geometry -- Problems, exercises, etc.
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"Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/acv4752.0002.001. University of Michigan Library Digital Collections. Accessed April 30, 2025.