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

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