Gr9 Maths T2 W12 (Pythagoras' Theorem)

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Across
  1. 2. The side opposite the 90 degree angle in a right-angled triangle.
  2. 4. Use the theorem of _________________ to solve problems involving unknown lengths in geometric figures that contain right-angled triangles.
  3. 5. The Theorem of Pythagoras states that in a right-angled ___________, the square on the hypotenuse is equal to the sum of the squares on the other two sides.
  4. 7. ____________ is a rule or a statement that has been proved through reasoning.
  5. 9. The __________ of a number is the value you get when you multiply the number by itself.
Down
  1. 1. The shortest distance between a vertex of a triangle and the opposite side is called the _____________ height.
  2. 3. Pythagoras was a Greek __________________.
  3. 6. __________ of a square = side x side
  4. 8. In a right-angled triangle, the hypotenuse is always the __________ side.
  5. 9. The result you get when you take the square root of a number which is not a perfect square.