AASAlternateInteriorAnglesAngleBisectorRightTriangleAAAASAHLReflexivePropertyofEqualityVERTICALANGLESObtuseCPCTCEQUILATERALHLISOCELESSASSCALENEASATriangleSumTheoremCORRESPONDINGANGLESConjectureSSSYES!Can forma trianglePerpendicularBisectorLinearPairAASSASACUTECongruentSSSAASAlternateInteriorAnglesAngleBisectorRightTriangleAAAASAHLReflexivePropertyofEqualityVERTICALANGLESObtuseCPCTCEQUILATERALHLISOCELESSASSCALENEASATriangleSumTheoremCORRESPONDINGANGLESConjectureSSSYES!Can forma trianglePerpendicularBisectorLinearPairAASSASACUTECongruentSSS

Triangles Congruency Proofs - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. AAS
  2. Alternate Interior Angles
  3. Angle Bisector
  4. Right Triangle
  5. AAA
  6. ASA
  7. HL
  8. Reflexive Property of Equality
  9. VERTICAL ANGLES
  10. Obtuse
  11. CPCTC
  12. EQUILATERAL
  13. HL
  14. ISOCELES
  15. SAS
  16. SCALENE
  17. ASA
  18. Triangle Sum Theorem
  19. CORRESPONDING ANGLES
  20. Conjecture
  21. SSS
  22. YES! Can form a triangle
  23. Perpendicular Bisector
  24. Linear Pair
  25. AAS
  26. SAS
  27. ACUTE
  28. Congruent
  29. SSS