Triangle Crossword

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Across
  1. 2. at least two equal sides
  2. 4. he longest side of a right triangle
  3. 6. two-dimensional shape with three straight sides
  4. 8. measure less than 90°
  5. 9. three unequal sides
  6. 10. a^2 + b^2 = c^2
  7. 12. helpful mnemonic for remembering the definitions of the trigonometric functions sine, cosine, and tangent
  8. 13. all three sides are of equal length
Down
  1. 1. list of statements and the reasons
  2. 3. pythagorean triples
  3. 5. more than 90°
  4. 7. three equal interior angles
  5. 11. the length of the adjacent side divided by the length of the hypotenuse.
  6. 14. one of triangles sides
  7. 15. The length of the side opposite the angle divided by the length of the adjacent side.