Chapter 4 Crossword

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Across
  1. 4. figures
  2. 7. proof
  3. 8. triangle
  4. 9. angle
  5. 10. triangle
Down
  1. 1. angle
  2. 2. interior angles
  3. 3. and hypotenuse of aright triangle
  4. 4. sides and angles
  5. 5. angle
  6. 6. angles