The longestside of a right-angled triangleis called thehypotenuse. Sandwichesare a typeof triangleBridges canbe made upof triangles.Pyramidsare alsotrianglesTriangleshavethreesidesOne of theangles is aright angle= 90º. Area of atriangle islength xwidth dividedby 2A trianglehas threecornersEach anglein anequilateraltriangle is 60degreesIf all the anglesare less than90 degrees,then it is anacute angle.Slashes in atriangle helptell you if thetriangle hasequal sides.Anequilateraltriangle hasthree equalsidesAn isoscelestriangle hastwo sidesthat are thesame.Trianglescan onlyhave threesidesA triangleis a 2-DshapeAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. This famoustriangle is intheCaribbean.What is it?All of atriangle'ssides arestraightEach side ofanequilateraltriangle is 60degrees.In a righttriangle, theother twoangles willadd up to 90º If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.Trianglesadd up to180degreesTrianglelines cannever becurvedThe longestside of a right-angled triangleis called thehypotenuse. Sandwichesare a typeof triangleBridges canbe made upof triangles.Pyramidsare alsotrianglesTriangleshavethreesidesOne of theangles is aright angle= 90º. Area of atriangle islength xwidth dividedby 2A trianglehas threecornersEach anglein anequilateraltriangle is 60degreesIf all the anglesare less than90 degrees,then it is anacute angle.Slashes in atriangle helptell you if thetriangle hasequal sides.Anequilateraltriangle hasthree equalsidesAn isoscelestriangle hastwo sidesthat are thesame.Trianglescan onlyhave threesidesA triangleis a 2-DshapeAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. This famoustriangle is intheCaribbean.What is it?All of atriangle'ssides arestraightEach side ofanequilateraltriangle is 60degrees.In a righttriangle, theother twoangles willadd up to 90º If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.Trianglesadd up to180degreesTrianglelines cannever becurved

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