All anglesare lessthan 90°3= sides3=angles,always60°ObtuseScaleneTriangleAcuteTriangleall anglesobtuse,>90,sides not =Has ananglemore than90°EquilateralTriangleAcuteScaleneTriangle1 angle=902 anglesare =2= sides2=anglesRightScaleneTriangleObtuseTriangleRightTriangleallangles= 180all anglesare acute,<902 sides are =AcuteIsoscelesTriangle1 angle = 902 otherangles arenot =Has aright angle(90°)all anglesacuteall sidesnot =No equalsidesNo equalanglesIsoscelesTriangleall sidesandangles are=ScaleneTriangleall anglesobtuse,<90, 2sides =All anglesare lessthan 90°3= sides3=angles,always60°ObtuseScaleneTriangleAcuteTriangleall anglesobtuse,>90,sides not =Has ananglemore than90°EquilateralTriangleAcuteScaleneTriangle1 angle=902 anglesare =2= sides2=anglesRightScaleneTriangleObtuseTriangleRightTriangleallangles= 180all anglesare acute,<902 sides are =AcuteIsoscelesTriangle1 angle = 902 otherangles arenot =Has aright angle(90°)all anglesacuteall sidesnot =No equalsidesNo equalanglesIsoscelesTriangleall sidesandangles are=ScaleneTriangleall anglesobtuse,<90, 2sides =

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