Each anglein anequilateraltriangle is 60degreesIf all the anglesare less than90 degrees,then it is anacute angle.Slashes in atriangle helptell you if thetriangle hasequal sides.One of theangles is aright angle= 90º. If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.A triangleis a 2-DshapeTrianglelines cannever becurvedA trianglehas threecornersAll of atriangle'ssides arestraightTrianglesadd up to180degreesBridges canbe made upof triangles.Trianglescan onlyhave threesidesEach side ofanequilateraltriangle is 60degrees.Pyramidsare alsotrianglesAn isoscelestriangle hastwo sidesthat are thesame.Anequilateraltriangle hasthree equalsidesTriangleshavethreesidesArea of atriangle islength xwidth dividedby 2The longestside of a right-angled triangleis called thehypotenuse. In a righttriangle, theother twoangles willadd up to 90º This famoustriangle is intheCaribbean.What is it?Sandwichesare a typeof triangleAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Each anglein anequilateraltriangle is 60degreesIf all the anglesare less than90 degrees,then it is anacute angle.Slashes in atriangle helptell you if thetriangle hasequal sides.One of theangles is aright angle= 90º. If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.A triangleis a 2-DshapeTrianglelines cannever becurvedA trianglehas threecornersAll of atriangle'ssides arestraightTrianglesadd up to180degreesBridges canbe made upof triangles.Trianglescan onlyhave threesidesEach side ofanequilateraltriangle is 60degrees.Pyramidsare alsotrianglesAn isoscelestriangle hastwo sidesthat are thesame.Anequilateraltriangle hasthree equalsidesTriangleshavethreesidesArea of atriangle islength xwidth dividedby 2The longestside of a right-angled triangleis called thehypotenuse. In a righttriangle, theother twoangles willadd up to 90º This famoustriangle is intheCaribbean.What is it?Sandwichesare a typeof triangleAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. 

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. Each angle in an equilateral triangle is 60 degrees
  2. If all the angles are less than 90 degrees, then it is an acute angle.
  3. Slashes in a triangle help tell you if the triangle has equal sides.
  4. One of the angles is a right angle = 90º.
  5. If one of the angles is greater than 90 degrees, then it can also be called an obtuse triangle.
  6. A triangle is a 2-D shape
  7. Triangle lines can never be curved
  8. A triangle has three corners
  9. All of a triangle's sides are straight
  10. Triangles add up to 180 degrees
  11. Bridges can be made up of triangles.
  12. Triangles can only have three sides
  13. Each side of an equilateral triangle is 60 degrees.
  14. Pyramids are also triangles
  15. An isosceles triangle has two sides that are the same.
  16. An equilateral triangle has three equal sides
  17. Triangles have three sides
  18. Area of a triangle is length x width divided by 2
  19. The longest side of a right-angled triangle is called the hypotenuse.
  20. In a right triangle, the other two angles will add up to 90º
  21. This famous triangle is in the Caribbean. What is it?
  22. Sandwiches are a type of triangle
  23. An isosceles triangle They have 2 interior angles that are the same. These are called the base angles.