MABEL'S CROSSWORD

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Across
  1. 1. Complementary angle said to isosceles triangle
  2. 3. Circumference of jack-o-lantern/diameter
  3. 6. How many sides does a circle have?
  4. 9. Acorn said this when he grew up
  5. 12. Who invented the round table?
  6. 15. What has 13 hearts but is not alive?
Down
  1. 2. Odd number that becomes even minus one letter
  2. 4. What do you call people who like tractors?
  3. 5. Which triangle is the coldest?
  4. 7. Oops...forgot to close parrot cage!
  5. 8. Fate of teacher who robbed a bank
  6. 10. An adorable angle
  7. 11. Witch doctor removed curse
  8. 13. Cross a pebble with a sphere and you get?
  9. 14. What is used to tie up a circular package?