Math Challenges


At the beginning of each month a Math challenge will come out.

To solve the challenge correctly, you have to:

      • Write the solution with an explanation on a paper with your name and group and left it in the mailbox situated in the hall, before the first day of the following month.
      • Write the reasoned solution in this website (at the bottom of the article).

There will be 3 categories: 

  • Pupils (ESO, Batxillerat and Professional Studies).
  • Teachers and PAS.
  • Web visitors.

November challenge

Núria draws a broken line with the vertices on the sides of the  rectangle, which forms angles of 10 °, 14 °, 33 ° and 26 °, as indicated in the figure:


How much does the angle α measure?


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