(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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When a polygon is equiangular and equilateral
Regular
The sum of interior angles is 1080
Octagon
Each interior angle in this regular polygon is 120
Hexagon
The formula for their sum is (n-2)180
Interior Angles
Interior angles sum to 180
Triangle
The sum of the interior angles is 1800
Dodecagon
This is parallel to and the average of the bases
Trapezoid Midsegment
The line segments connecting non-adjacent vertices
Diagonals
Each interior angle in this regular polygon is 108
Pentagon
This polygon's name is one and ten
Undecagon
The sum of interior angles is 900
Heptagon
This quadrilateral has vertex and non-vertex angles
Kite
This has the same prefix as decade
Decagon
This quadrilateral has diagonals that are perpendicular bisectors
Rhombus
Opposite angles and sides are always congruent
Parallelogram
The name for a polygon with an unknown number of sides
N-gon
Interior and exterior angles sum to the same value
Quadrilateral
An equiangular quadrilateral with congruent diagonals
Rectangle
The sum of these is ALWAYS 360
Exterior Angles
The parallel sides are called bases
Trapezoid
The sum of interior angles is 1260
Nonagon
The triangle has three of these that divide it into four congruent triangles
Triangle Midsegment
This special quadrilateral with one pair of parallel sides has congruent diagonals
Isosceles Trapezoid
