Activity 4-5 Vocabulary

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Across
  1. 5. A pair of opposite congruent angles formed by intersecting lines.
  2. 6. Lines that never intersect.
  3. 7. A statement accepted as true without proof.
  4. 9. A point that divides a segment into two congruent segments.
  5. 11. Property where a(b+c)=ab+ac.
  6. 12. Property where If a=b, then a+c=b+c.
  7. 13. A property where if a=b, then b=a.
  8. 15. A property where if a=b, then a can be replaced for b in any equation or expression.
  9. 16. Equal.
Down
  1. 1. Lines that intersect at 90 degrees.
  2. 2. To divide into two congruent parts.
  3. 3. A property where a=a.
  4. 4. A property where if a=b, then ac=bc.
  5. 8. A property where if a=b and b=c, then a=c.
  6. 10. Property where if a=b and c is not equal to 0, then a/c=b/c.
  7. 14. A property where if a=b, then a-c=b-c.