100 Point Project Crossword Puzzle (please note that on the puzzle and spaces will be a - )

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Across
  1. 4. If 3 or more parallel lines intersect 2 transversals then they cut off the transversals proportionality
  2. 7. If the corresponding lengths of 2 triangles are proportional then the triangles are similar; SSS~
  3. 9. A segment that joins the midpoints of 2 sides of a triangle
  4. 12. If 2 sides of 1 triangle are proportional to 2 sides of another triangle and the included angles are congruent then the triangles are similar; SAS~
  5. 14. Comparison of 2 quantities using division
  6. 15. If side AC is parallel to side DE, then BD/DA = BE/EC
  7. 16. Have the same shape, corresponding sides are proportional, corresponding angle's are congruent, and does not have to be the same size
  8. 17. If 2 angles of 1 triangle are congruent to 2 angles of another triangle then the triangles are similar; AA~
  9. 18. Corresponding angles are congruent and corresponding sides are proportional
  10. 19. If AD/DB = CE/EB, then side AC is parallel to side DE
Down
  1. 1. In a proportion, the product of the extremes is equal to the product of the means
  2. 2. ratio Comparison of 3 or more quantities
  3. 3. If 2 polygons are similar, them their perimeters are proportional to the scale factor between them
  4. 5. If side DE is mid segment of triangle ABC and D + E are midpts of side AB + side BC, then side DE is parallel to side AC and DE = 1/2 AC
  5. 6. If 3 or more parallel lines cut off congruent segments on 1 transversal, then they cut off congruent segments on all transversals
  6. 8. The ratio of the corresponding sides 2 similar polygons
  7. 10. A/B = C/D ---> AD = BC
  8. 11. Identifies all the corresponding parts; ABCD ~ EFGH
  9. 13. Equation that states 2 ratios are equal