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

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