week 21

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Across
  1. 5. A shape
  2. 7. animals which are almost extinct
  3. 8. someone who survive a war
Down
  1. 1. a way to calculate something
  2. 2. opposite of wrong
  3. 3. the line of a shape
  4. 4. a triangle with all the same length
  5. 6. inside a shape