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

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