Special Triangles Crossword Puzzle

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Across
  1. 3. A comparison of side lengths in special Right triangles
  2. 5. A three-sided polygon with all angles
  3. 6. one of the shortest sides of atriangle
  4. 7. A simple used to express the exact lengths in special Right angles
  5. 9. a triangle with two sides of equal length
Down
  1. 1. A triangle with all sides and angles equal
  2. 2. longest side of triangle
  3. 4. An angle that measures 90 degrees
  4. 8. Equal in shape and size