Triangles

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Across
  1. 4. an angle that's more than 90 degrees
  2. 5. no equal sides, no equal angles
  3. 7. 3 equal sides, 3 equal angles, always 60 deg
Down
  1. 1. 2 equal sides, 2 equal angles
  2. 2. an angle where all angles are less than 90 degrees
  3. 3. three sides and three angles
  4. 6. an angle that's 90 degrees