Similarities Crossword Puzzle

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Across
  1. 2. A mathematical statement proven to be true.
  2. 4. A rule stating that two triangles are similar if two angles are congruent.
  3. 9. An equation stating that two ratios are equal.
  4. 11. A comparison of two quantities by division.
  5. 13. Having equal ratios.
  6. 16. A dilation that decreases the size of a figure.
  7. 18. Figures that have the same shape and the same size.
  8. 19. The total distance around a polygon.
  9. 21. A similarity rule where all three pairs of sides are proportional.
  10. 22. A transformation that changes the size but not the shape of a figure.
  11. 24. Formed by two rays with a common endpoint.
  12. 25. A three-sided polygon often used in similarity proofs.
  13. 27. A line segment that forms part of a polygon.
  14. 28. Either of the two shorter sides of a right triangle.
  15. 29. The angle formed between two given sides in a triangle.
  16. 30. Corresponding sides of similar figures that have equal ratios.
Down
  1. 1. Polygons with corresponding angles congruent and sides proportional.
  2. 3. A dilation that increases the size of a figure.
  3. 5. A similarity rule involving two proportional sides and the included angle.
  4. 6. Angles in similar figures that have equal measures.
  5. 7. The number used to enlarge or reduce a figure.
  6. 8. Finding a measurement using proportions and similar triangles.
  7. 10. Matching parts of similar figures.
  8. 12. The longest side of a right triangle.
  9. 14. A segment connecting the midpoints of two sides of a triangle.
  10. 15. The point where two sides of a polygon meet.
  11. 17. A line that intersects two or more lines.
  12. 20. Lines that never intersect and are equidistant.
  13. 23. The relationship between figures that have the same shape but not necessarily the same size.
  14. 26. A triangle containing one 90-degree angle.