Triangles Crossword

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Across
  1. 2. an angle larger than 90 degrees
  2. 3. a triangle with three equal sides
  3. 6. a triangle with three angles smaller than 90 degrees
  4. 8. a triangle with an angle larger than 90 degrees
  5. 9. a triangle with one 90-degree angle
Down
  1. 1. a triangle with three sides that are not the same
  2. 4. a triangle with three equal angles
  3. 5. an angle smaller than 90 degrees
  4. 7. a triangle with two sides of identical length