Triangle Review--OB 4.1

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Across
  1. 4. a triangle with three congruent sides
  2. 7. a triangle with three acute angles
  3. 8. a triangle with one obtuse angle
Down
  1. 1. a triangle with no congruent sides
  2. 2. a triangle with three congruent angles
  3. 3. a polygon formed by three segments joining three noncollinear points
  4. 5. a triangle with at least 2 congruent sides
  5. 6. a triangle with one right angle