VerticalAnglesXWZYAASbisectora line/linesegment/raythat divides anangle or linesegment in halfYZWXEquilateralTriangletrianglewhere allsides arecongruentScaleneTriangleA trianglewith nocongruentsidesSupplementaryAnglesAnglesthat addup to 180degreesSASYXZH LNot enoughinfo toprovecongruenceYZXObtuseTrianglesA trianglewith an anglebetween 90and 180degreesMidpointpoint thatdivides a linesegment into2 congruenthalvesAdjacentRightTrianglea trianglethat has arightangleDEFXYZSAASSSReflexivepropertyThings areequal tothemselvesStraightAnglean angleequal to180degreesIsoscelesTriangleA trianglethat has twocongruentsidesASACongruencefigureswith thesame sizeand shapeVerticalAnglesXWZYAASbisectora line/linesegment/raythat divides anangle or linesegment in halfYZWXEquilateralTriangletrianglewhere allsides arecongruentScaleneTriangleA trianglewith nocongruentsidesSupplementaryAnglesAnglesthat addup to 180degreesSASYXZH LNot enoughinfo toprovecongruenceYZXObtuseTrianglesA trianglewith an anglebetween 90and 180degreesMidpointpoint thatdivides a linesegment into2 congruenthalvesAdjacentRightTrianglea trianglethat has arightangleDEFXYZSAASSSReflexivepropertyThings areequal tothemselvesStraightAnglean angleequal to180degreesIsoscelesTriangleA trianglethat has twocongruentsidesASACongruencefigureswith thesame sizeand shape

Triangles and Congruence BINGO - 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. Vertical Angles

  2. XWZY

  3. AAS
  4. a line/line segment/ray that divides an angle or line segment in half
    bisector

  5. YZWX
  6. triangle where all sides are congruent
    Equilateral Triangle
  7. A triangle with no congruent sides
    Scalene Triangle
  8. Angles that add up to 180 degrees
    Supplementary Angles

  9. SAS

  10. YXZ

  11. H L

  12. Not enough info to prove congruence

  13. YZX
  14. A triangle with an angle between 90 and 180 degrees
    Obtuse Triangles
  15. point that divides a line segment into 2 congruent halves
    Midpoint

  16. Adjacent
  17. a triangle that has a right angle
    Right Triangle

  18. DEF

  19. XYZ

  20. SAA

  21. SSS
  22. Things are equal to themselves
    Reflexive property
  23. an angle equal to 180 degrees
    Straight Angle
  24. A triangle that has two congruent sides
    Isosceles Triangle

  25. ASA
  26. figures with the same size and shape
    Congruence