Classify Triangles

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Across
  1. 4. To sort
  2. 6. Exactly the same in size
  3. 9. Traditional Triangle
  4. 10. Isosceles
  5. 11. Bottom side of a triangle
Down
  1. 1. Acute angle
  2. 2. All mixed up
  3. 3. Triangle Acute
  4. 5. Edge of a Triangle
  5. 7. Stretched
  6. 8. L Triangle