The 99 points of intersection presented here were collected during a year-long search for surprising concurrence of lines. For each example we find compelling evidence for the sometimes startling fact that in a geometric figure three straight lines, or sometimes circles, pass through one and the same point.
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Hans Walser is lecturer at the Swiss Federal Instititute of Technology and the University of Basel.
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Librería: -OnTimeBooks-, Phoenix, AZ, Estados Unidos de America
Condición: good. A copy that has been read, remains in good condition. All pages are intact, and the cover is intact. The spine and cover show signs of wear. Pages can include notes and highlighting and show signs of wear, and the copy can include "From the library of" labels or previous owner inscriptions. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item! Ships via media mail. Nº de ref. del artículo: OTV.0883855534.G
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Librería: Anybook.com, Lincoln, Reino Unido
Condición: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,450grams, ISBN:9780883855539. Nº de ref. del artículo: 3965388
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Librería: Literary Cat Books, Machynlleth, Powys, WALES, Reino Unido
Original decorated boards. Condición: Fine. Estado de la sobrecubierta: No Dust Jacket. With diagrams & illustrations. Slight shelfwear.; Large 8vo 9" - 10" tall; xiv, 153 pages 1st English Language Edition; First Printing. Nº de ref. del artículo: LCK90811
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Librería: mathbooks, Tallahassee, FL, Estados Unidos de America
Hardcover. Condición: New. 153 pages. new. Nº de ref. del artículo: 1819
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Librería: Books Puddle, Woodside, NY, Estados Unidos de America
Condición: New. pp. xiv + 153. Nº de ref. del artículo: 26262900
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Librería: Majestic Books, Hounslow, Reino Unido
Condición: New. pp. xiv + 153 Illus. Nº de ref. del artículo: 7585067
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Librería: Biblios, Frankfurt am main, HESSE, Alemania
Condición: New. pp. xiv + 153. Nº de ref. del artículo: 18262910
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Librería: Basi6 International, Irving, TX, Estados Unidos de America
Condición: Brand New. New. US edition. Expediting shipping for all USA and Europe orders excluding PO Box. Excellent Customer Service. Nº de ref. del artículo: ABEOCT25-132289
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Librería: Romtrade Corp., STERLING HEIGHTS, MI, Estados Unidos de America
Condición: New. This is a Brand-new US Edition. This Item may be shipped from US or any other country as we have multiple locations worldwide. Nº de ref. del artículo: ABBB-167417
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Librería: Moraine Books, Ruovesi, Finlandia
Hardcover. Condición: Near Fine. 1st Edition. Text in English. 153 pp. Rubbing on the covers. The 99 points of intersection presented here were collected during a year-long search for surprising concurrence of lines. For each example we find compelling evidence for the sometimes startling fact that in a geometric figure three straight lines, or sometimes circles, pass through one and the same point. Of course, we are famillar with some examples of this from basic elementary geometry - the intersection of medians, altitudes, angle bisectors, and perpendicular bisectors of sides of a triangle. Here there are many more examples - for figures other than triangles, some where even more than three straight lines pass through a common point. The main part of the book presents 99 points of intersection purely visually. They are developed in a sequence of figures. many without caption or verbal commentary. In addition the book contains general thoughts on and examples of the points of intersection, as well as some typical methods for proving their existence, Many of the examples shown in the book were inspired by questions and suggestions made by students and high-school teachers. Several of those examples have not only a geometrical but also an intriguing aesthetic aspect. The book addresses high-school students and students at the undergraduate level as well as their teachers, but will appeal to anyone interested in geometry. Nº de ref. del artículo: 3434
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