Math crossword

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Across
  1. 2. Built by the egyptians.
  2. 5. The smallest prime number.
  3. 8. What is the relation between 6 and 36.
  4. 10. Opposite of parrallel.
  5. 12. A 3 dimensional shape made of 6 squares.
Down
  1. 1. An angle that is not acute, neither obtus.
  2. 3. The diamond's shape.
  3. 4. Six-sided shape.
  4. 6. When you add multiple number together it's an ...
  5. 7. A triangle with three equal side and three equal angle.
  6. 9. The first odd number with two digits.
  7. 11. 3,14.