Geometry Proofs Review

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Across
  1. 5. If a=b, then a/c=b/c
  2. 6. The _____ Addition Postulate allows you to add smaller angles together to get a bigger angle
  3. 7. Angles with a sum of 90 degrees
  4. 9. If a=b, then a-c=b-c
  5. 11. The definition of _____ angles says that if an angle is 90 degrees, then it is a right angle
  6. 14. If a=b, then a may be replaced by b in any equation
  7. 15. The definition of _____ allows you to switch from = to ≅
  8. 16. The _____ Addition Postulate says If B is between A and C on a line, then AB+BC=AC
Down
  1. 1. Angles with a sum of 180 degrees
  2. 2. If a=b, then a*c=b*c
  3. 3. If a=b, then a+c=b+c
  4. 4. The definition of _____ says if M is the midpoint of AB, then AM=MB
  5. 8. If a=b and b=c, then a=c
  6. 10. An angle _____ is a line or ray that cuts an angle in half
  7. 12. If a=b, then b=a
  8. 13. a=a