Law ofCosinesc^2=a^2+b^2-2ab(cosC)SideAngleSidecos^-1A= √(s(s-a)(s-b)(s-c))sinAngleSideAnglesinA/a=sinB/b=sinC/cAmbiguousCaseAngleAngleSide1/2(a+b+c)Areah=b(sinA)Law ofSinesA=h/bTriangleSideSideSideA=1/2(bc)(sinA)A=1/2(ab)(sinC)a^2=c^2+b^2-2bc(cosA)AcuteObtuseA=1/2(ac)(sinB)ObliqueA>90degreesb^2=a^2+c^2-2ac(cosB)A<90degreesHeron'sformulaSideSideAnglea/sinA=b/sinB=c/sinCLaw ofCosinesc^2=a^2+b^2-2ab(cosC)SideAngleSidecos^-1A= √(s(s-a)(s-b)(s-c))sinAngleSideAnglesinA/a=sinB/b=sinC/cAmbiguousCaseAngleAngleSide1/2(a+b+c)Areah=b(sinA)Law ofSinesA=h/bTriangleSideSideSideA=1/2(bc)(sinA)A=1/2(ab)(sinC)a^2=c^2+b^2-2bc(cosA)AcuteObtuseA=1/2(ac)(sinB)ObliqueA>90degreesb^2=a^2+c^2-2ac(cosB)A<90degreesHeron'sformulaSideSideAnglea/sinA=b/sinB=c/sinC

Untitled Bingo - 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. Law of Cosines
  2. c^2=a^2+b^2-2ab(cosC)
  3. Side Angle Side
  4. cos^-1
  5. A= √(s(s-a)(s-b)(s-c))
  6. sin
  7. Angle Side Angle
  8. sinA/a=sinB/b=sinC/c
  9. Ambiguous Case
  10. Angle Angle Side
  11. 1/2(a+b+c)
  12. Area
  13. h=b(sinA)
  14. Law of Sines
  15. A=h/b
  16. Triangle
  17. Side Side Side
  18. A=1/2(bc)(sinA)
  19. A=1/2(ab)(sinC)
  20. a^2=c^2+b^2-2bc(cosA)
  21. Acute
  22. Obtuse
  23. A=1/2(ac)(sinB)
  24. Oblique
  25. A>90 degrees
  26. b^2=a^2+c^2-2ac(cosB)
  27. A<90 degrees
  28. Heron's formula
  29. Side Side Angle
  30. a/sinA=b/sinB=c/sinC