Points Intersection Examples Pictures Proofs by Walser Hans (19 results)

Hardcover. Condition: Very Good. No Jacket. Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Condition: 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.

Original decorated boards. Condition: Fine. No Dust Jacket. With diagrams & illustrations. Slight shelfwear.; Large 8vo 9" - 10" tall; xiv, 153 pages 1st English Language Edition; First Printing.

Hardcover. Condition: As New. Series: Spectrum Series. 152p excellent hardback, purple and grey laminated boards still shiny, fresh and bright condition Language: English.

Condition: 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.

Condition: Brand New. New. US edition. Expediting shipping for all USA and Europe orders excluding PO Box. Excellent Customer Service.

Condition: New. Brand New Original US Edition. Customer service! Satisfaction Guaranteed.

Condition: Fine. First edition. Hardback. Octavo. xiv, 152pp. Original illustrated hardback. Fine and unread. No jacket as issued.

Hardcover. Condition: 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.…

Condition: New.

Condition: New. A collection of surprising concurrences of lines with some typical methods for proving their existence. Translator(s): Hilton, Peter. Series Editor(s): Watkins, William; Alexanderson, Gerald L.; Choudhury, Dipa; Firey, William J.; Kalman, Dan; Lang, Eleanor; Merris, Russell L. Series: Spectrum. Num Pages: 168 pages, 157 b/w illus. BIC Classification: PBM; PBP. Category: (G) General (US: Trade); (U) Tertiary Education (US: College). Dimension: 239 x 161 x 15. Weight in Grams: 366. . 2006. hardcover. . . . . …

Condition: As New. Unread book in perfect condition.

Hardcover. Condition: Brand New. illustrated edition. 152 pages. 9.00x6.00x0.50 inches. In Stock.

Condition: New. A collection of surprising concurrences of lines with some typical methods for proving their existence. Translator(s): Hilton, Peter. Series Editor(s): Watkins, William; Alexanderson, Gerald L.; Choudhury, Dipa; Firey, William J.; Kalman, Dan; Lang, Eleanor; Merris, Russell L. Series: Spectrum. Num Pages: 168 pages, 157 b/w illus. BIC Classification: PBM; PBP. Category: (G) General (US: Trade); (U) Tertiary Education (US: College). Dimension: 239 x 161 x 15. Weight in Grams: 366. . 2006. hardcover. . . . . Books ship from the US and Ireland. …

Condition: New.

Condition: New. Satisfaction Guaranteed or your money back.

Condition: As New. Unread book in perfect condition.

Condition: New. In English.

hardcover. Condition: New. In shrink wrap. Looks like an interesting title.