LinearPair2 adjacent,supplementaryangles.AlternateExteriorAnglesAngles on theopposite side ofthe transversaland outside the2 lines.Swoosh-SwooshIf tick-tick,then...ScaleneA trianglewith nocongruentsides orangles.OppositeSideWhen a sideis directlyacross froman angle, wecall it this.SkewLines that arenot in the sameplane, are notparallel, andwill neverintersect.ComplementaryWhen 2anglessum to90°.SupplementaryWhen 2anglessum to180°.IsoscelesA trianglewith 2congruentsides andangles.ObtuseA trianglewith 1obtuse angleand 2 acute.Same-SideInteriorAnglesAngles on thesame side ofthe transversaland inside the2 lines.ParallelLines in thesame planethat neverintersect.PerpendicularLines thatintersectat a rightangle.VerticalAnglesNon-adjacentanglesformed byintersectinglines.Swoosh-Swoosh-SwooshIf tick-tick-tick,then...EquiangularA trianglewith 3congruentangles.CongruentWhen 2 ormore angleshave the samemeasure, theyare what?TranslationAlsocalled a"slide".180°The interiorangles of atriangle addup to this.CorrespondingAnglesAngles thatlie in thesame spot or"match-up".VertexA pointthat joins2 sides ofa triangle.EquilateralA trianglewith 3congruentsides.ExteriorAngleThe measure ofthis angle isfound by addingthe measures ofthe 2 non-adjinterior angles.AcuteA trianglewith 3acuteangles.Tick-TickIf swoosh-swoosh,then...90°The 2 acuteangles of aright triangleadd up tothis.RightA trianglewith 1 rightangle and2 acute.TriangleA shapewith 3sides andangles.Tick-Tick-TickIf swoosh-swoosh-swoosh,then...LinearPair2 adjacent,supplementaryangles.AlternateExteriorAnglesAngles on theopposite side ofthe transversaland outside the2 lines.Swoosh-SwooshIf tick-tick,then...ScaleneA trianglewith nocongruentsides orangles.OppositeSideWhen a sideis directlyacross froman angle, wecall it this.SkewLines that arenot in the sameplane, are notparallel, andwill neverintersect.ComplementaryWhen 2anglessum to90°.SupplementaryWhen 2anglessum to180°.IsoscelesA trianglewith 2congruentsides andangles.ObtuseA trianglewith 1obtuse angleand 2 acute.Same-SideInteriorAnglesAngles on thesame side ofthe transversaland inside the2 lines.ParallelLines in thesame planethat neverintersect.PerpendicularLines thatintersectat a rightangle.VerticalAnglesNon-adjacentanglesformed byintersectinglines.Swoosh-Swoosh-SwooshIf tick-tick-tick,then...EquiangularA trianglewith 3congruentangles.CongruentWhen 2 ormore angleshave the samemeasure, theyare what?TranslationAlsocalled a"slide".180°The interiorangles of atriangle addup to this.CorrespondingAnglesAngles thatlie in thesame spot or"match-up".VertexA pointthat joins2 sides ofa triangle.EquilateralA trianglewith 3congruentsides.ExteriorAngleThe measure ofthis angle isfound by addingthe measures ofthe 2 non-adjinterior angles.AcuteA trianglewith 3acuteangles.Tick-TickIf swoosh-swoosh,then...90°The 2 acuteangles of aright triangleadd up tothis.RightA trianglewith 1 rightangle and2 acute.TriangleA shapewith 3sides andangles.Tick-Tick-TickIf swoosh-swoosh-swoosh,then...

Chapter 4 Elements of Geometry - 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. 2 adjacent, supplementary angles.
    Linear Pair
  2. Angles on the opposite side of the transversal and outside the 2 lines.
    Alternate Exterior Angles
  3. If tick-tick, then...
    Swoosh-Swoosh
  4. A triangle with no congruent sides or angles.
    Scalene
  5. When a side is directly across from an angle, we call it this.
    Opposite Side
  6. Lines that are not in the same plane, are not parallel, and will never intersect.
    Skew
  7. When 2 angles sum to 90°.
    Complementary
  8. When 2 angles sum to 180°.
    Supplementary
  9. A triangle with 2 congruent sides and angles.
    Isosceles
  10. A triangle with 1 obtuse angle and 2 acute.
    Obtuse
  11. Angles on the same side of the transversal and inside the 2 lines.
    Same-Side Interior Angles
  12. Lines in the same plane that never intersect.
    Parallel
  13. Lines that intersect at a right angle.
    Perpendicular
  14. Non-adjacent angles formed by intersecting lines.
    Vertical Angles
  15. If tick-tick-tick, then...
    Swoosh-Swoosh-Swoosh
  16. A triangle with 3 congruent angles.
    Equiangular
  17. When 2 or more angles have the same measure, they are what?
    Congruent
  18. Also called a "slide".
    Translation
  19. The interior angles of a triangle add up to this.
    180°
  20. Angles that lie in the same spot or "match-up".
    Corresponding Angles
  21. A point that joins 2 sides of a triangle.
    Vertex
  22. A triangle with 3 congruent sides.
    Equilateral
  23. The measure of this angle is found by adding the measures of the 2 non-adj interior angles.
    Exterior Angle
  24. A triangle with 3 acute angles.
    Acute
  25. If swoosh-swoosh, then...
    Tick-Tick
  26. The 2 acute angles of a right triangle add up to this.
    90°
  27. A triangle with 1 right angle and 2 acute.
    Right
  28. A shape with 3 sides and angles.
    Triangle
  29. If swoosh-swoosh-swoosh, then...
    Tick-Tick-Tick