Make a crossword puzzle on the Square and Square Roots

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Across
  1. 4. = ? (5 letters: SEVEN)
  2. 7. = ? (4 letters: FOUR)
  3. 11. root of 25 (4 letters: FIVE)
  4. 12. = ? (4 letters: NINE)
  5. 14. symbol √ is called a ___ sign (7 letters: RADICAL)
Down
  1. 1. = ? (3 letters: SIX)
  2. 2. = ? (3 letters: ONE)
  3. 3. = ? (5 letters: EIGHT)
  4. 5. of 4 (7 letters: SIXTEEN)
  5. 6. square of 9 (13 letters: EIGHTYONE)
  6. 7. square root of 144 (6 letters)
  7. 8. = ___ (7 letters: HUNDRED)
  8. 9. = ? (3 letters: TWO)
  9. 10. number that has a whole number square root (7 letters: PERFECT)
  10. 13. number multiplied by itself gives a ___ number (6 letters: SQUARE)