Agosto

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Agosto

  1. 1. Counting How many rectangles can be drawn by joining points in this arrangement? The given points are the vertices of three regular hexagons.
  2. 2. Sharp Observer C D ABCD square BE = BF F A E B Determine the position of the points E and F so that the area of the quadrilateral DEBF is equal to half the area of the square.
  3. 3. Sum of squares The following numbers can be expressed as the sum of two square numbers. Establish the correspondence. Do this mentally! 160 92 + 72 130 122 + 142 193 42 + 122 200 340 2 2 2 2 11 + 7 12 + 7
  4. 4. Single trace Two of the following three figures can be traced without lifting your pencil from the paper or repeating any line. Identify them! Figure A Figure B Figure C
  5. 5. Primes Place the digits 1 to 9, one in each cell, in such a way that the sum of the digits in each row and each column is a prime number.
  6. 6. Your time is limited … don't waste it living someone else's life. Steve Jobs

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