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

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SUNDAY PUZZLE #59
 Given circles 1, 2, 3 (with radii r1, r2, and r3 respectively), and 3 squares packed in a right triangle, as shown, find the lenght of r2. Trois cercles 1, 2, 3 (avec respectivement des rayons r1, r2, et r3), et 3 carrés sont empilés dans un triangle rectangle, comme illustré, trouver la longueur de r2 ! Tre cerchi 1, 2, 3 (con rispettivi raggi r1, r2, r3), e 3 quadrati sono confezionati in un triangolo rettangolo, come mostrato, trova la lunghezza di r2. 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, inscribed
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