|
Movies Books Music Food Tv Shows Technology Politics Video Games Parenting Fashion Green Living more >

Lunch » Tags » Books » Reviews » 99 Points of Intersection: Examples-Pictures-Proofs

99 Points of Intersection: Examples-Pictures-Proofs

1 rating: 5.0
A book by Hans Walser

This book is highly recommended for geometers of all ages and a wide range of expertise. It would be an excellent resource for a course taught with Dynamic Geomeetry Software. --Mary Coupland, Australian Mathematics Teacher

Author: Hans Walser
Publisher: The Mathematical Association of America
1 review about 99 Points of Intersection: Examples-Pictures-Proofs

I was astounded at some of the interestions in this book

  • Jan 13, 2007
Rating:
+5
The interesting theme of this book is that it is often the case that when some lines intersect, there are others that must also be part of the same intersection. Furthermore, there must be a reason why they intersect. Walser uses diagrams to display the intersections and there are three sections in the book. The first section is the introduction, where equations and their corresponding figures are presented. Section two is a series of 99 diagrams where the emphasis is on how they intersect. Each starts with three small figures, which build towards the larger, complete structure. The third and final section is a brief description of some well-known geometric proofs such as Jacobi's Theorem, Kiepert's Hyperbola and Ceva's Theorem.
I was fascinated with some of the 99 figures in the second section. They are designed to be understood as-is without having to resort to equations and textual descriptions. I found that to be the case, it was a rare instance when I had to look at the diagram for more than a few seconds before I understood it. This is an interesting way to teach the joy and wonder of mathematics. For in many cases if I had not seen the diagram, I would not have believed that so many different lines would have intersected the way they did. Especially when the intersection is a single point.

Published in Journal of Recreational Mathematics, reprinted with permission

What did you think of this review?

Helpful
0
Thought-Provoking
2
Fun to Read
0
Well-Organized
3
Post a Comment
What's your opinion on 99 Points of Intersection: Examples-Pict...?
rate
1 rating: +5.0
You have exceeded the maximum length.
Photos
99 Points of Intersection:
Related Topics
McClave's Statistics

A book by James T. McClave

Twilight

The first book in the "Twilight Saga" by Stephenie Meyer.

A Clockwork Orange

A novel by Anthony Burgess

© 2014 Lunch.com, LLC All Rights Reserved
Lunch.com - Relevant reviews by real people.
()
This is you!
Ranked #
Last login
Member since
reviews
comments
ratings
questions
compliments
lists