Pythagoras' Theorem

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Across
  1. 2. Multiply a number by itself
  2. 6. Relationship between sides of a right triangle
  3. 7. The inverse of squaring a number
  4. 8. A mathematical rule that can be proven
  5. 10. One of the shorter sides in a right triangle
Down
  1. 1. A mathematical statement with an equals sign
  2. 3. Space inside a shape
  3. 4. Longest side in a right angled triangle
  4. 5. A shape with three sides
  5. 9. Angle An angle equal to 90 degrees