Pyramidsare alsotrianglesTrianglelines cannever becurvedAnequilateraltriangle hasthree equalsidesBridges canbe made upof triangles.In a righttriangle, theother twoangles willadd up to 90º TriangleshavethreesidesEach anglein anequilateraltriangle is 60degreesIf one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.The longestside of a right-angled triangleis called thehypotenuse. Slashes in atriangle helptell you if thetriangle hasequal sides.A triangleis a 2-DshapeThis famoustriangle is intheCaribbean.What is it?Sandwichesare a typeof triangleIf all the anglesare less than90 degrees,then it is anacute angle.An isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. A trianglehas threecornersAll of atriangle'ssides arestraightArea of atriangle islength xwidth dividedby 2Each side ofanequilateraltriangle is 60degrees.An isoscelestriangle hastwo sidesthat are thesame.Trianglesadd up to180degreesTrianglescan onlyhave threesidesOne of theangles is aright angle= 90º. Pyramidsare alsotrianglesTrianglelines cannever becurvedAnequilateraltriangle hasthree equalsidesBridges canbe made upof triangles.In a righttriangle, theother twoangles willadd up to 90º TriangleshavethreesidesEach anglein anequilateraltriangle is 60degreesIf one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.The longestside of a right-angled triangleis called thehypotenuse. Slashes in atriangle helptell you if thetriangle hasequal sides.A triangleis a 2-DshapeThis famoustriangle is intheCaribbean.What is it?Sandwichesare a typeof triangleIf all the anglesare less than90 degrees,then it is anacute angle.An isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. A trianglehas threecornersAll of atriangle'ssides arestraightArea of atriangle islength xwidth dividedby 2Each side ofanequilateraltriangle is 60degrees.An isoscelestriangle hastwo sidesthat are thesame.Trianglesadd up to180degreesTrianglescan onlyhave threesidesOne of theangles is aright angle= 90º. 

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