Triangles

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Across
  1. 1. triangle that has one angle which is greater than 90 degree
  2. 3. each sides of equilateral triangle measures _____ degree angle
  3. 9. triangle that has exactly 90 degree angle
  4. 10. length of all sides are not equal
  5. 11. triangle that has all angle measures less than 90 degree
  6. 12. one angle in right triangle measures exactly _____ degree angle
Down
  1. 2. length of all sides are equal
  2. 4. isosceles has _____ equal sides
  3. 5. number of sides in a triangle
  4. 6. the sum of the _____ in any triangle measures 180 degree
  5. 7. length of two sides are equal
  6. 8. a polygon that has 3 sides and 3 vertices
  7. 10. triangles can be classified by their _____ and angles