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Stained Glass

This stained glass is super original!

Your school’s principal ordered a stained glass. She needs your help calculating the area of the stained glass’ blue region. It’s up to you!

There are multiple ways to look at this puzzle, which makes it interesting to tackle in teams. This one may be difficult, but the more people, the more chances to find the solution!


  • This puzzle is similar to “Landscaping,” “Imperfect Watering” and “Zigzag,” which are easier.

  • Planning notes