ScaleneTriangleEquilateralTriangle3= sides3=angles,always60°AcuteScaleneTriangleRightScaleneTriangleAcuteTriangle2= sides2=anglesAll anglesare lessthan 90°No equalsidesNo equalanglesall anglesacuteall sidesnot =ObtuseScaleneTriangleRightTriangleall anglesobtuse,<90, 2sides =IsoscelesTriangle1 angle = 902 otherangles arenot =Has ananglemore than90°1 angle=902 anglesare =ObtuseTriangleAcuteIsoscelesTriangleall anglesobtuse,>90,sides not =all anglesare acute,<902 sides are =all sidesandangles are=allangles= 180Has aright angle(90°)ScaleneTriangleEquilateralTriangle3= sides3=angles,always60°AcuteScaleneTriangleRightScaleneTriangleAcuteTriangle2= sides2=anglesAll anglesare lessthan 90°No equalsidesNo equalanglesall anglesacuteall sidesnot =ObtuseScaleneTriangleRightTriangleall anglesobtuse,<90, 2sides =IsoscelesTriangle1 angle = 902 otherangles arenot =Has ananglemore than90°1 angle=902 anglesare =ObtuseTriangleAcuteIsoscelesTriangleall anglesobtuse,>90,sides not =all anglesare acute,<902 sides are =all sidesandangles are=allangles= 180Has aright angle(90°)

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