Chapter 2 and 3 Vocab Crossword

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Across
  1. 3. a proof that uses figures in the coordinate plane and algebra to prove geometric concepts
  2. 4. reasoning that uses a number of specific examples to arrive at a plausible generalization or prediction
  3. 5. a line that intersects two or more lines in a plane at different points
  4. 7. an example used to show that a given statement is not always true
  5. 9. a statement or conjecture that can be proven true by undefined terms, definitions, and postulates
  6. 12. a statement that describes a fundamental relationship between the basic terms of geometry
  7. 13. planes that do not intercept
  8. 15. in the figure, transversal t intersects lines l and m
  9. 18. the distance between two lines measured along a perpendicular line to the lines is always the same
Down
  1. 1. lines that do not intersect and are not coplanar
  2. 2. in the figure, transversal t intersects lines l and m
  3. 3. triangles that have their corresponding parts congruent
  4. 6. a logical argument in which one assumes that the statement to be proven is false
  5. 8. coplanar lines that do not intercept
  6. 10. for a(nonvertical) line containing two points (x1,y1) and (x2,y2), the number m given b the formula m=y2-y1/x2-x1 where x2=x1
  7. 11. in the figure above, transversal t intersects l and m
  8. 14. a system of reasoning that uses facts, rules, definitions, or properties to reach logical conclusions
  9. 15. in the figure, transversal t intersects lines l and m
  10. 16. an angle formed by one side of a triangle and the extension of another side
  11. 17. an educated guess based on known information