Each anglein anequilateraltriangle is 60degreesArea of atriangle islength xwidth dividedby 2If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.A triangleis a 2-DshapeTriangleshavethreesidesThe longestside of a right-angled triangleis called thehypotenuse. One of theangles is aright angle= 90º. Bridges canbe made upof triangles.Trianglescan onlyhave threesidesPyramidsare alsotrianglesAn isoscelestriangle hastwo sidesthat are thesame.An isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Trianglelines cannever becurvedSlashes in atriangle helptell you if thetriangle hasequal sides.All of atriangle'ssides arestraightEach side ofanequilateraltriangle is 60degrees.If all the anglesare less than90 degrees,then it is anacute angle.In a righttriangle, theother twoangles willadd up to 90º Sandwichesare a typeof triangleA trianglehas threecornersAnequilateraltriangle hasthree equalsidesThis famoustriangle is intheCaribbean.What is it?Trianglesadd up to180degreesEach anglein anequilateraltriangle is 60degreesArea of atriangle islength xwidth dividedby 2If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.A triangleis a 2-DshapeTriangleshavethreesidesThe longestside of a right-angled triangleis called thehypotenuse. One of theangles is aright angle= 90º. Bridges canbe made upof triangles.Trianglescan onlyhave threesidesPyramidsare alsotrianglesAn isoscelestriangle hastwo sidesthat are thesame.An isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Trianglelines cannever becurvedSlashes in atriangle helptell you if thetriangle hasequal sides.All of atriangle'ssides arestraightEach side ofanequilateraltriangle is 60degrees.If all the anglesare less than90 degrees,then it is anacute angle.In a righttriangle, theother twoangles willadd up to 90º Sandwichesare a typeof triangleA trianglehas threecornersAnequilateraltriangle hasthree equalsidesThis famoustriangle is intheCaribbean.What is it?Trianglesadd 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. Each angle in an equilateral triangle is 60 degrees
  2. Area of a triangle is length x width divided by 2
  3. If one of the angles is greater than 90 degrees, then it can also be called an obtuse triangle.
  4. A triangle is a 2-D shape
  5. Triangles have three sides
  6. The longest side of a right-angled triangle is called the hypotenuse.
  7. One of the angles is a right angle = 90º.
  8. Bridges can be made up of triangles.
  9. Triangles can only have three sides
  10. Pyramids are also triangles
  11. An isosceles triangle has two sides that are the same.
  12. An isosceles triangle They have 2 interior angles that are the same. These are called the base angles.
  13. Triangle lines can never be curved
  14. Slashes in a triangle help tell you if the triangle has equal sides.
  15. All of a triangle's sides are straight
  16. Each side of an equilateral triangle is 60 degrees.
  17. If all the angles are less than 90 degrees, then it is an acute angle.
  18. In a right triangle, the other two angles will add up to 90º
  19. Sandwiches are a type of triangle
  20. A triangle has three corners
  21. An equilateral triangle has three equal sides
  22. This famous triangle is in the Caribbean. What is it?
  23. Triangles add up to 180 degrees