Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
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150 9tnaittif5e ($eomettie 15. t1nt einer ~cr paaralleler 5eraben icdneibeit bie ~cetCe eef eine S inftel:treden f)eraui. 3etcde ift ber geometrifcte Ort her 'Jdittelpuntte biefer Cttreden? 16. Die dct)entet eine gleid)ctcenntigen Zreiede werben iiber bie ~piBe t)inanu um fct Uelbft erliingert. Settd)e ift ber geometriicde Ort ber (Snbpunfte, weinn bar gteidcidtenttige 3Zreied fict bei feftbcibenber gai. tueränbert? 17. @inem a) rectnminttigen, h) beliebigen Treied wterben 9tec)tede eint befcrieben. 3eft:iee ift ber geometrijcte Drt ber Siagoncalenicdnittpunfte be Recc)tecd? 1 8. ein Rreit wirb ton einer cä)ar uotn et)inen geictnitten. SeleIc)e ift ber geometrijcfe Ort ber eel)nenmitten? 19. 3Son einem ulnft be U1mfangee eine~ trei[e nntu weerben cetnen geAogen. 3elcä)e~ ift ber geometrijcfe Ort a) ber ~e)nenmittetpunfte, ber nuntte, bie bie ~et)nen, von bem gemeinfamen Suntt ante gerecgnet, im eertättni 1 3 teiten? 20. nur1d) einen $ntnft a) actuertatb, b) innercat'b beW,reife~ tuerben Cettnen burdE) ben ereie ge.ogen. 3)ie 2tbid)nitte unm,ßunft biW nm a cdnitt mit bem Sreie werben, bom 4ßunft aue geredl)et, im 23ertfättnia a) 1 2, b) 2 3, c) m: n geteilt. 23eitc)e ift ber geometriijce Ort ber Seilpanfte? 21. 2n einen areie wterben iangenten bon ber Sänge a getegt. S5etIcee ift ber geometrift)e Ort it)rer (nbpuinte? 2w. gn einen greie wLerben ~ef)netn on ber 2änge a gelegt. V3elcte ift ber geometrifcde Ort itrer S9Zittetpunfte? 23. ein Etab tuon ber Si nge a) 30 cm, b) a letnt an ber San b unb gleitet an ir fentrec)t terab. Veltcde Snurte betf)reibt ber 9tit;eIpunnt be~ etabee? 24. Ter etab in 2ufg.. 23 nnb feine krojietionen auf VSanb unb }u~boben beftimmen ein Zreied. 2edt5en 3eg befidreibt ber ~cdjoerpnnft be~ Sreiedt, renn jict ber etab, wie in 2tufg. 23 angegeben, bewegt? $rdlief inkf lte e irifrtdnafrtranflftm 25. Tie X9,Itfie unb bie Y-mXcie migen ben 3Sinfel tp miteinanber bilben. ein 1ntnft Po )at bie goorbinaten Xl nnb TY, wenn bie buirc P0 ^n ben 'oorbi: natenadctfen ge3ogenen 3araUleten uoon talupuntt aun bie ~trecen X0 unb Yo abt ct)neiöen. Beichne in einem X, Y: tftent mit bem rSintet (p = 600 bie 8ßunfte a) (1; 1), b) (2; 7), c) (-3; -4), d) (-2; 5). 26. Sn einem jcdieftrinttigen Soorbinatenjitftem, beffen %2ften ben VineI cp eincnjieien, jinb bie Su3nfte (a; b) nnb (c; d) gegeben. 3ie gro~ ift ihre (nt; fernnung? 8eiipiet: gp = 60~, a - 2, b 3, c- 5, d = 7. 27. eine (erabe fCneibe aunf ber Xt2(je bie e trede a, anf ber Y-,Iife bie 2trede b ab. a) Beige, ba3 fire leeicdung in c idiefwintigen 'oorbinaten + ift. b) llnterfud)e, ob noct irgenbeine anbere ~oxm ber @Ieiu>nng ber (eraben (~ 25) aut fiür fc4iefitinftige qftieme gitt.
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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 149
- 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 May 1, 2025.