ObtuseTriangleNo equalsidesNo equalanglesAcuteIsoscelesTriangleAll anglesare lessthan 90°ObtuseScaleneTriangleIsoscelesTriangleHas ananglemore than90°1 angle=902 anglesare =3= sides3=angles,always60°allangles= 180AcuteScaleneTriangleall anglesacuteall sidesnot =Has aright angle(90°)RightScaleneTriangleall sidesandangles are=AcuteTriangle1 angle = 902 otherangles arenot =all anglesobtuse,<90, 2sides =all anglesare acute,<902 sides are =EquilateralTriangleRightTriangle2= sides2=anglesScaleneTriangleall anglesobtuse,>90,sides not =ObtuseTriangleNo equalsidesNo equalanglesAcuteIsoscelesTriangleAll anglesare lessthan 90°ObtuseScaleneTriangleIsoscelesTriangleHas ananglemore than90°1 angle=902 anglesare =3= sides3=angles,always60°allangles= 180AcuteScaleneTriangleall anglesacuteall sidesnot =Has aright angle(90°)RightScaleneTriangleall sidesandangles are=AcuteTriangle1 angle = 902 otherangles arenot =all anglesobtuse,<90, 2sides =all anglesare acute,<902 sides are =EquilateralTriangleRightTriangle2= sides2=anglesScaleneTriangleall anglesobtuse,>90,sides not =

Triangles - 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. Obtuse Triangle
  2. No equal sides No equal angles
  3. Acute Isosceles Triangle
  4. All angles are less than 90°
  5. Obtuse Scalene Triangle
  6. Isosceles Triangle
  7. Has an angle more than 90°
  8. 1 angle =90 2 angles are =
  9. 3= sides 3=angles, always 60°
  10. all angles = 180
  11. Acute Scalene Triangle
  12. all angles acute all sides not =
  13. Has a right angle (90°)
  14. Right Scalene Triangle
  15. all sides and angles are =
  16. Acute Triangle
  17. 1 angle = 90 2 other angles are not =
  18. all angles obtuse, <90, 2 sides =
  19. all angles are acute,<90 2 sides are =
  20. Equilateral Triangle
  21. Right Triangle
  22. 2= sides 2= angles
  23. Scalene Triangle
  24. all angles obtuse, >90, sides not =