YZWXMidpointpoint thatdivides a linesegment into2 congruenthalvesDEFXYZSAARightTrianglea trianglethat has arightangleAdjacentEquilateralTriangletrianglewhere allsides arecongruentVerticalAnglesYZXXWZYSASScaleneTriangleA trianglewith nocongruentsidesbisectora line/linesegment/raythat divides anangle or linesegment in halfSupplementaryAnglesAnglesthat addup to 180degreesCongruencefigureswith thesame sizeand shapeObtuseTrianglesA trianglewith an anglebetween 90and 180degreesASAH LIsoscelesTriangleA trianglethat has twocongruentsidesYXZAASNot enoughinfo toprovecongruenceReflexivepropertyThings areequal tothemselvesStraightAnglean angleequal to180degreesSSSYZWXMidpointpoint thatdivides a linesegment into2 congruenthalvesDEFXYZSAARightTrianglea trianglethat has arightangleAdjacentEquilateralTriangletrianglewhere allsides arecongruentVerticalAnglesYZXXWZYSASScaleneTriangleA trianglewith nocongruentsidesbisectora line/linesegment/raythat divides anangle or linesegment in halfSupplementaryAnglesAnglesthat addup to 180degreesCongruencefigureswith thesame sizeand shapeObtuseTrianglesA trianglewith an anglebetween 90and 180degreesASAH LIsoscelesTriangleA trianglethat has twocongruentsidesYXZAASNot enoughinfo toprovecongruenceReflexivepropertyThings areequal tothemselvesStraightAnglean angleequal to180degreesSSS

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. point that divides a line segment into 2 congruent halves
    Midpoint

  3. DEF

  4. XYZ

  5. SAA
  6. a triangle that has a right angle
    Right Triangle

  7. Adjacent
  8. triangle where all sides are congruent
    Equilateral Triangle

  9. Vertical Angles

  10. YZX

  11. XWZY

  12. SAS
  13. A triangle with no congruent sides
    Scalene Triangle
  14. a line/line segment/ray that divides an angle or line segment in half
    bisector
  15. Angles that add up to 180 degrees
    Supplementary Angles
  16. figures with the same size and shape
    Congruence
  17. A triangle with an angle between 90 and 180 degrees
    Obtuse Triangles

  18. ASA

  19. H L
  20. A triangle that has two congruent sides
    Isosceles Triangle

  21. YXZ

  22. AAS

  23. Not enough info to prove congruence
  24. Things are equal to themselves
    Reflexive property
  25. an angle equal to 180 degrees
    Straight Angle

  26. SSS