Geometry Crossword Puzzle

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Across
  1. 2. Congruent
  2. 4. Similarity
  3. 6. Acute Angle
  4. 9. Theorem
  5. 11. Scalene Triangle
  6. 12. Median
  7. 14. Line
  8. 15. Volume
  9. 16. Distance Formula
  10. 19. Square
  11. 20. Complementary Angles
Down
  1. 1. Perimeter
  2. 3. Circumference
  3. 5. Angle
  4. 7. Right Angle
  5. 8. Postulate
  6. 10. Conjecture
  7. 13. Obtuse Angle
  8. 17. Octagon
  9. 18. Area