A trianglehas threecornersIn a righttriangle, theother twoangles willadd up to 90º Anequilateraltriangle hasthree equalsidesTrianglescan onlyhave threesidesPyramidsare alsotrianglesTrianglelines cannever becurvedAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Area of atriangle islength xwidth dividedby 2This famoustriangle is intheCaribbean.What is it?The longestside of a right-angled triangleis called thehypotenuse. A triangleis a 2-DshapeEach anglein anequilateraltriangle is 60degreesBridges canbe made upof triangles.If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.Sandwichesare a typeof triangleSlashes in atriangle helptell you if thetriangle hasequal sides.An isoscelestriangle hastwo sidesthat are thesame.If all the anglesare less than90 degrees,then it is anacute angle.Each side ofanequilateraltriangle is 60degrees.One of theangles is aright angle= 90º. TriangleshavethreesidesAll of atriangle'ssides arestraightTrianglesadd up to180degreesA trianglehas threecornersIn a righttriangle, theother twoangles willadd up to 90º Anequilateraltriangle hasthree equalsidesTrianglescan onlyhave threesidesPyramidsare alsotrianglesTrianglelines cannever becurvedAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Area of atriangle islength xwidth dividedby 2This famoustriangle is intheCaribbean.What is it?The longestside of a right-angled triangleis called thehypotenuse. A triangleis a 2-DshapeEach anglein anequilateraltriangle is 60degreesBridges canbe made upof triangles.If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.Sandwichesare a typeof triangleSlashes in atriangle helptell you if thetriangle hasequal sides.An isoscelestriangle hastwo sidesthat are thesame.If all the anglesare less than90 degrees,then it is anacute angle.Each side ofanequilateraltriangle is 60degrees.One of theangles is aright angle= 90º. TriangleshavethreesidesAll of atriangle'ssides arestraightTrianglesadd up to180degrees

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