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Tag: circle

Posted on July 13, 2021July 13, 2021

Perfect “Square” Circle

Numbers 1 to 32 are placed along the circumference of a circle without repeating any number and still the sum of any two adjacent numbers in this circle is a perfect square!

Square Circle

Posted on September 12, 2020

Six Points on a Circle

Take 6 points on a circle such that every second edge (green chords) has length equal to the radius of the circle. Then the midpoints of the other three sides of the cyclic hexagon form an equilateral triangle.six point triangle

Read more: https://www.archimedes-lab.org/2-Sunday_puzzle_43.html

Posted on November 13, 2019

Coxeter Disc

Infinite flavor in a finite fruit pastry space!

Further reading: http://www.ams.org/publicoutreach/feature-column/fcarc-circle-limit

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Mental activities and tutorials that enhance critical and creative thinking skills.

We provide compelling educational and entertaining content to book and magazine publishers. We also invent and develop thinking games and visual material for recreational, cultural or advertising use.

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Recent Posts

  • A Curious Constant January 26, 2023
  • Analog Binary-to-Decimal Converter January 11, 2023
  • Amazing Double Cube January 9, 2023
  • Harshad Years January 5, 2023
  • A Lucky Year! January 5, 2023
  • The Puzzling Ramanujan’s Magic Square November 23, 2022
  • Summation Formulas November 5, 2022

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Eye Bogglers
ISBN 1780970749
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Illusion d'Optique playing card deck
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You can't possibly color this
Optical Illusions
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You can't possibly color this!
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Impossible Folding Puzzle and Other Mathematical Paradoxes
Hidden Picture Puzzles
Impossible Folding Puzzles
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Amazing Optical Illusions
How To Draw Incredible Illusions
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Amazing Optical Illusions
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