Pythagoras' Theorem Crossword Puzzle

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Across
  1. 5. Letters that stand for numbers
  2. 6. If the numbers are fractions or decimals
  3. 8. The measurement of something end to end
  4. 9. square roots or square numbers
  5. 10. A set of 3 whole numbers
  6. 11. The angle created when two lines intersect at 90˚
Down
  1. 1. The resulted amount of an addition
  2. 2. A number or result of a calculation
  3. 3. The side of a right-angled triangle opposite the right angle that is always the longest side.
  4. 4. The space formed by two rays intersecting at a common end point
  5. 7. If the numbers are not a fraction or terminating decimal