IsoscelesTriangleall sidesandangles are=ObtuseScaleneTriangle1 angle = 902 otherangles arenot =2= sides2=anglesAcuteTriangleall anglesobtuse,>90,sides not =RightTriangleScaleneTriangleObtuseTriangleAll anglesare lessthan 90°allangles= 180AcuteIsoscelesTriangleHas ananglemore than90°3= sides3=angles,always60°all anglesare acute,<902 sides are =all anglesacuteall sidesnot =1 angle=902 anglesare =No equalsidesNo equalanglesRightScaleneTriangleall anglesobtuse,<90, 2sides =AcuteScaleneTriangleEquilateralTriangleHas aright angle(90°)IsoscelesTriangleall sidesandangles are=ObtuseScaleneTriangle1 angle = 902 otherangles arenot =2= sides2=anglesAcuteTriangleall anglesobtuse,>90,sides not =RightTriangleScaleneTriangleObtuseTriangleAll anglesare lessthan 90°allangles= 180AcuteIsoscelesTriangleHas ananglemore than90°3= sides3=angles,always60°all anglesare acute,<902 sides are =all anglesacuteall sidesnot =1 angle=902 anglesare =No equalsidesNo equalanglesRightScaleneTriangleall anglesobtuse,<90, 2sides =AcuteScaleneTriangleEquilateralTriangleHas 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. Isosceles Triangle
  2. all sides and angles are =
  3. Obtuse Scalene Triangle
  4. 1 angle = 90 2 other angles are not =
  5. 2= sides 2= angles
  6. Acute Triangle
  7. all angles obtuse, >90, sides not =
  8. Right Triangle
  9. Scalene Triangle
  10. Obtuse Triangle
  11. All angles are less than 90°
  12. all angles = 180
  13. Acute Isosceles Triangle
  14. Has an angle more than 90°
  15. 3= sides 3=angles, always 60°
  16. all angles are acute,<90 2 sides are =
  17. all angles acute all sides not =
  18. 1 angle =90 2 angles are =
  19. No equal sides No equal angles
  20. Right Scalene Triangle
  21. all angles obtuse, <90, 2 sides =
  22. Acute Scalene Triangle
  23. Equilateral Triangle
  24. Has a right angle (90°)