YZWXScaleneTriangleA trianglewith nocongruentsidesAASYZXAdjacentObtuseTrianglesA trianglewith an anglebetween 90and 180degreesbisectora line/linesegment/raythat divides anangle or linesegment in halfMidpointpoint thatdivides a linesegment into2 congruenthalvesSASNot enoughinfo toprovecongruenceH LXYZYXZVerticalAnglesReflexivepropertyThings areequal tothemselvesASASupplementaryAnglesAnglesthat addup to 180degreesRightTrianglea trianglethat has arightangleEquilateralTriangletrianglewhere allsides arecongruentCongruencefigureswith thesame sizeand shapeXWZYDEFSSSStraightAnglean angleequal to180degreesSAAIsoscelesTriangleA trianglethat has twocongruentsidesYZWXScaleneTriangleA trianglewith nocongruentsidesAASYZXAdjacentObtuseTrianglesA trianglewith an anglebetween 90and 180degreesbisectora line/linesegment/raythat divides anangle or linesegment in halfMidpointpoint thatdivides a linesegment into2 congruenthalvesSASNot enoughinfo toprovecongruenceH LXYZYXZVerticalAnglesReflexivepropertyThings areequal tothemselvesASASupplementaryAnglesAnglesthat addup to 180degreesRightTrianglea trianglethat has arightangleEquilateralTriangletrianglewhere allsides arecongruentCongruencefigureswith thesame sizeand shapeXWZYDEFSSSStraightAnglean angleequal to180degreesSAAIsoscelesTriangleA trianglethat has twocongruentsides

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. YZWX
  2. A triangle with no congruent sides
    Scalene Triangle

  3. AAS

  4. YZX

  5. Adjacent
  6. A triangle with an angle between 90 and 180 degrees
    Obtuse Triangles
  7. a line/line segment/ray that divides an angle or line segment in half
    bisector
  8. point that divides a line segment into 2 congruent halves
    Midpoint

  9. SAS

  10. Not enough info to prove congruence

  11. H L

  12. XYZ

  13. YXZ

  14. Vertical Angles
  15. Things are equal to themselves
    Reflexive property

  16. ASA
  17. Angles that add up to 180 degrees
    Supplementary Angles
  18. a triangle that has a right angle
    Right Triangle
  19. triangle where all sides are congruent
    Equilateral Triangle
  20. figures with the same size and shape
    Congruence

  21. XWZY

  22. DEF

  23. SSS
  24. an angle equal to 180 degrees
    Straight Angle

  25. SAA
  26. A triangle that has two congruent sides
    Isosceles Triangle