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

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