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

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