Area of atriangle islength xwidth dividedby 2Slashes in atriangle helptell you if thetriangle hasequal sides.Trianglesadd up to180degreesIn a righttriangle, theother twoangles willadd up to 90º TriangleshavethreesidesTrianglelines cannever becurvedThis famoustriangle is intheCaribbean.What is it?Sandwichesare a typeof triangleAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Bridges canbe made upof triangles.The longestside of a right-angled triangleis called thehypotenuse. An isoscelestriangle hastwo sidesthat are thesame.Anequilateraltriangle hasthree equalsidesTrianglescan onlyhave threesidesA trianglehas threecornersOne of theangles is aright angle= 90º. Each anglein anequilateraltriangle is 60degreesIf all the anglesare less than90 degrees,then it is anacute angle.All of atriangle'ssides arestraightIf one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.Each side ofanequilateraltriangle is 60degrees.A triangleis a 2-DshapePyramidsare alsotrianglesArea of atriangle islength xwidth dividedby 2Slashes in atriangle helptell you if thetriangle hasequal sides.Trianglesadd up to180degreesIn a righttriangle, theother twoangles willadd up to 90º TriangleshavethreesidesTrianglelines cannever becurvedThis famoustriangle is intheCaribbean.What is it?Sandwichesare a typeof triangleAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Bridges canbe made upof triangles.The longestside of a right-angled triangleis called thehypotenuse. An isoscelestriangle hastwo sidesthat are thesame.Anequilateraltriangle hasthree equalsidesTrianglescan onlyhave threesidesA trianglehas threecornersOne of theangles is aright angle= 90º. Each anglein anequilateraltriangle is 60degreesIf all the anglesare less than90 degrees,then it is anacute angle.All of atriangle'ssides arestraightIf one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.Each side ofanequilateraltriangle is 60degrees.A triangleis a 2-DshapePyramidsare alsotriangles

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