An isoscelestriangle hastwo sidesthat are thesame.If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.Area of atriangle islength xwidth dividedby 2A trianglehas threecornersAnequilateraltriangle hasthree equalsidesEach anglein anequilateraltriangle is 60degreesA triangleis a 2-DshapeTrianglelines cannever becurvedAll of atriangle'ssides arestraightAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Slashes in atriangle helptell you if thetriangle hasequal sides.If all the anglesare less than90 degrees,then it is anacute angle.Bridges canbe made upof triangles.One of theangles is aright angle= 90º. Each side ofanequilateraltriangle is 60degrees.The longestside of a right-angled triangleis called thehypotenuse. In a righttriangle, theother twoangles willadd up to 90º TriangleshavethreesidesThis famoustriangle is intheCaribbean.What is it?Trianglescan onlyhave threesidesPyramidsare alsotrianglesTrianglesadd up to180degreesSandwichesare a typeof triangleAn isoscelestriangle hastwo sidesthat are thesame.If one of theangles is greaterthan 90 degrees,then it can also becalled an obtusetriangle.Area of atriangle islength xwidth dividedby 2A trianglehas threecornersAnequilateraltriangle hasthree equalsidesEach anglein anequilateraltriangle is 60degreesA triangleis a 2-DshapeTrianglelines cannever becurvedAll of atriangle'ssides arestraightAn isoscelestriangle They have2 interior anglesthat are the same.These are calledthe base angles. Slashes in atriangle helptell you if thetriangle hasequal sides.If all the anglesare less than90 degrees,then it is anacute angle.Bridges canbe made upof triangles.One of theangles is aright angle= 90º. Each side ofanequilateraltriangle is 60degrees.The longestside of a right-angled triangleis called thehypotenuse. In a righttriangle, theother twoangles willadd up to 90º TriangleshavethreesidesThis famoustriangle is intheCaribbean.What is it?Trianglescan onlyhave threesidesPyramidsare alsotrianglesTrianglesadd up to180degreesSandwichesare a typeof triangle

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