Classifying Triangles/Angles of Triangles

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Across
  1. 3. no two sides of the triangle are congruent
  2. 5. 1 side of triangle & extension of another
  3. 8. triangle with one angle obtuse
  4. 9. at least two sides of the triangle are congruent
  5. 10. triangle with one right angle
Down
  1. 1. triangle with all angles congruent
  2. 2. all the sides of the triangle are congruent
  3. 4. two angles opposite exterior angle
  4. 6. triangle with all angles acute
  5. 7. the acute angles of a right triangle