Meninges

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Across
  1. 3. The number times itself
  2. 6. when the equation is rearrange to make it have the opposite symbol eg.+=-
  3. 7. a triangle that have one of the angles equal to 90∘
Down
  1. 1. The hypotenuse of a right triangle is always the side opposite the right angle
  2. 2. the longest side of a right angle triangle
  3. 4. Pythagoras theorem
  4. 5. 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144