# Archimedes Laboratory Project™ Puzzles & Mental Activities that Enhance Critical and Creative Thinking Skills

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SUNDAY PUZZLE #54
 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. 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. 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. You can comment and discuss this puzzle on our FaceBook or Blogger web page. › Click to show/hide the solution

Text and images by Gianni A. Sarcone
Labels: SUNDAY PUZZLE, puzzles to solve, recreational mathematics, geometric construction
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