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Description
Challenging Problems in GeometryDesigned for high school students and teachers with an interest in mathematical problem solving, this volume offers a wealth of nonroutine problems in geometry that stimulate students to explore unfamiliar or little known aspects of mathematics. Included are nearly 200 problems dealing with congruence and parallelism, the Pythagorean theorem, circles, area relationships, Ptolemy and the cyclic quadrilateral, collinearity and concurrency, and many
Designed for high school students and teachers with an interest in mathematical problem-solving, this volume offers a wealth of nonroutine problems in geometry that stimulate students to explore unfamiliar or little-known aspects of mathematics.Included are nearly 200 problems dealing with congruence and parallelism, the Pythagorean theorem, circles, area relationships, Ptolemy and the cyclic quadrilateral, collinearity and concurrency, and many other subjects. Within each topic, the problems are arranged in approximate order of difficulty. Detailed solutions (as well as hints) are provided for all problems, and specific answers for most.Invaluable as a supplement to a basic geometry textbook, this volume offers both further explorations on specific topics and practice in developing problem-solving techniques.Binding Type: Paperback
Publisher: Dover Publications
Published: 05/21/1996
ISBN: 9780486691541
Pages: 272
Weight: 0.58lbs
Size: 8.47h x 5.43w x 0.54d
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★★★★★ 5
good buy
Color: Black
Nice looking, works well and well made.
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Reviewed in the United States on January 5, 2026
★★★★★ 4
Very sturdy and well designed organizer
Color: Black
Sturdy kitchen sink organizer. I measured and it truly is small. It holds large bottle soap, smaller bottle of cleaner, small round dish brush cleaner. The rack clips to the front and folds dish cloth. The tray slants toward sink for water to drain easily. I could have used a few inches longer. This makes a difference and I recommend for its sturdiness and useful design.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
I like it
Color: Black
This is cute. It does the job. Has been about 4 months now and I see no signs of rust so at this point, I would reccomend.
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Reviewed in the United States on November 29, 2025
★★★★★ 5
Keeps my countertops neat & dry
Color: Black
The perfect accessory for our new sink & counter top. It keeps things & water off of our new counter top and a place to hang my dishrag!
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Reviewed in the United States on January 19, 2026
★★★★★ 5
Very practical
Color: Black
I like it, I've had for a few months now and it hasn't broken, which is good in my book. Frees up space on my kitchen counter.
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Reviewed in the United States on April 18, 2026