archimedes lab logo
Archimedes Laboratory Project

Puzzles & Mental Activities that Enhance Critical and Creative Thinking Skills

HomePuzzle ArchiveThe Author

Button Backward

english Draw a straight line passing through the arbitrary point P so that it is perpendicular to the given diameter (AB) of the circle with center O. To solve the puzzle you can use ONLY a simple ruler.
francais Tracez une droite passant par le point arbitraire P et perpendiculaire au diamètre donné (AB) de ce cercle. Vous devez résoudre ce puzzle en traçant des lignes à la règle.
italiano Tracciate una linea retta in modo tale che passi per il punto arbitrario P e sia perpendicolare al diametro dato (AB) di questo cerchio. Risolvete il problema solo con matita e righello.

Sunday puzzle

You can comment and discuss this puzzle on our FaceBook or Blogger web page.

Click to show/hide the solution
Button Forward

Social Media Contact us Like us on Facebook Circle us on Google+ Follow us on Twitter Pin it Thumb up this page
Text and images by Gianni A. Sarcone 
Labels: SUNDAY PUZZLE, puzzles to solve, recreational mathematics, geometric construction
You can use the material shown on this page for educational purpose only as long as you credit us [© G. Sarcone,] and link back to
Creative Commons LicenseSunday Puzzle by Gianni A. Sarcone is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Based on a work at

Archimedes' Lab exists thanks to sponsorised ads and online sales of puzzle products and activities.