One of theangles is aright angle= 90º. An isoscelestriangle hastwo sidesthat are thesame.If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.This famoustriangle is intheCaribbean.What is it?All of atriangle'ssides arestraightAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Sandwichesare a typeof triangleBridges canbe made upof triangles.TriangleshavethreesidesIf all the anglesare less than90 degrees,then it is anacute angle.Area of atriangle islength xwidth dividedby 2Slashes in atriangle helptell you if thetriangle hasequal sides.Trianglescan onlyhave threesidesPyramidsare alsotrianglesThe longestside of a right-angled triangleis called thehypotenuse. Each anglein anequilateraltriangle is 60degreesA triangleis a 2-DshapeTrianglelines cannever becurvedA trianglehas threecornersIn a righttriangle, theother twoangles willadd up to 90º Each side ofanequilateraltriangle is 60degrees.Trianglesadd up to180degreesAnequilateraltriangle hasthree equalsidesOne of theangles is aright angle= 90º. An isoscelestriangle hastwo sidesthat are thesame.If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.This famoustriangle is intheCaribbean.What is it?All of atriangle'ssides arestraightAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Sandwichesare a typeof triangleBridges canbe made upof triangles.TriangleshavethreesidesIf all the anglesare less than90 degrees,then it is anacute angle.Area of atriangle islength xwidth dividedby 2Slashes in atriangle helptell you if thetriangle hasequal sides.Trianglescan onlyhave threesidesPyramidsare alsotrianglesThe longestside of a right-angled triangleis called thehypotenuse. Each anglein anequilateraltriangle is 60degreesA triangleis a 2-DshapeTrianglelines cannever becurvedA trianglehas threecornersIn a righttriangle, theother twoangles willadd up to 90º Each side ofanequilateraltriangle is 60degrees.Trianglesadd up to180degreesAnequilateraltriangle hasthree equalsides

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