Beatrice's Work

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Across
  1. 2. I'm not an acute, obtuse or straight angle. What am I?
  2. 4. I'm eight times itself
  3. 6. I'm the product of six and eight
  4. 7. I'm seven times six
  5. 9. I'm a prime number between five and nine
Down
  1. 1. I'm a prime number between forty-seven and fifty-nine
  2. 3. I'm a number times itself and I'm a multiple of nine
  3. 5. I'm a prime and odd number and it is between zero and four
  4. 6. I'm fifteen divided by three
  5. 8. I'm the result of five times four