RightScaleneTriangle2= sides2=anglesall anglesobtuse,<90, 2sides =Has ananglemore than90°No equalsidesNo equalangles1 angle=902 anglesare =all anglesacuteall sidesnot =all anglesare acute,<902 sides are =AcuteIsoscelesTriangleEquilateralTriangle3= sides3=angles,always60°All anglesare lessthan 90°AcuteScaleneTriangleHas aright angle(90°)ObtuseTriangleall anglesobtuse,>90,sides not =ObtuseScaleneTriangleallangles= 180RightTriangle1 angle = 902 otherangles arenot =IsoscelesTriangleAcuteTriangleall sidesandangles are=ScaleneTriangleRightScaleneTriangle2= sides2=anglesall anglesobtuse,<90, 2sides =Has ananglemore than90°No equalsidesNo equalangles1 angle=902 anglesare =all anglesacuteall sidesnot =all anglesare acute,<902 sides are =AcuteIsoscelesTriangleEquilateralTriangle3= sides3=angles,always60°All anglesare lessthan 90°AcuteScaleneTriangleHas aright angle(90°)ObtuseTriangleall anglesobtuse,>90,sides not =ObtuseScaleneTriangleallangles= 180RightTriangle1 angle = 902 otherangles arenot =IsoscelesTriangleAcuteTriangleall sidesandangles are=ScaleneTriangle

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