Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
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~ 26. %er irete 145 59. man jfet A1 ax - b1y + c, A2 a2x + b2y + c2. Seteife, bafi a) 1J Al + 12A2 =0 bie t51eit>ung einer burct beln cd)uittpunft ber (eraben A1 = 0 unb A - = 0 getenben ~eraben iit. b) Unterfunte, mtelcte 3ebentung bie 3eraben mit ben lfleic4ungen A, - + A2= 0 unb A - A2 == 0 haben, wenn A1 unb A2 effeflc)e 9ormaIfornmein inb. c) Seite eine 23ebingng bafür fler, bac brei eeraben bur~c einen ~3unnt geten. 60. Setweife analttilcf ben gab, baf a) bie eeitentalbierenben, b) bie eöfen, c) bie 3tlittelentrecdten, d) bie Stintelatlbierenben eines treiec$ burdc einen q3unft geleen. Prafttirdi^ unypatt 61. Zie geobätijfen Roorbinaten eine 3unnftee A intb x, =+ 7217 m,, =- + 2413 m, bie eines ßuInftee B jinb x = 8017 m, Y2 = 2112 m. 'in '3unft P tuirb uon A aut anuitiert; < PAB tuirb 5u 450 40' gefunben. Tann iuirb P uoln B aut anuifiert. < PBA toirb 1t 690 15' beftimmt. Sie hoorbi: naten uon P finb 5u beitimien. 62.-63. ftbertege, wiie man bie ianifeitfe 2tufgabe, $orturt~eintfneiben (~ 7, 9tufg. 16), bie anjenfce 9tufgabe, tiüdtärteeinicneiben (~ 7, Wufg. 17), unb bie ~netiuijcte Stufgabe (~ 7, SIufg. 18) anattticd) löfen tann, mtenn bie befdnnten 3nunfte burttc itre geo _-___ batiften Roorbitnaten gegeben jinb. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ L 1 t__ igt. 32. $i 33. 64. ein befannter Zrug0jtun beftett barin, ba man aue ben Uier Zeiten ber Tig. 33 bie ~ig. 32 auiammenifet unb bamit 5eigt, ba~ 64 = 65 ift. 3eige, bag bie jfeinbare Siagonale in gig. 32 tatjfäc icd butr eine tadcte tom 2nt4alt 1 5U erfeben ift. ~ 26. ßt:r U vto. (t$1eiungt ble urife., 1. Seige, baf für ieben u3tnit (x; y) auf ber Teripterie eines ntit bem SaS binu r um ben goorbinatenanfangnpunft geict[agenen Rreifeh bie O(teicung x2 + ya = r2 gilt (MDittelpunttgteicutng bee üreifee). itewmannB,üSiIte, 6eomete. Iufgsalen fiiürv. ncabetnf). B. II. 10
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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 129
- Publication
- Leipzig [etc.]: B. G. Teubner,
- 1916-20.
- Subject terms
- Geometry -- Problems, exercises, etc.
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https://name.umdl.umich.edu/acv4752.0002.001
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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.