Math angles and triangles

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Across
  1. 4. this angle is 40 degrees what angle would it be
  2. 5. all sides of this triangle are a different length
  3. 6. any two sides of this triangle are the same length
  4. 9. an angle less than 90 degrees
  5. 10. exactly 90 degrees but in the form of a triangle
  6. 11. all sides of the same length in a triangle
Down
  1. 1. more than 90 degrees but in the form of a triangle
  2. 2. an angle more than 90 degrees
  3. 3. two lines that never meet
  4. 7. exactly 90 degrees
  5. 8. less than 90 degrees of an angle but in the form of a triangle