(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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inscribed
inscribed circle.
circumcircle
Free!
altitude
a segment whose endpoints are a vertex of a triangle and the midpoint of the opposite side.
orthocenter
incenter
centroid theorem
triangle midsegment theorem
a perpendicular segment from a vertex to the line containing the opposite side.
the circle that contains the three vertices of a triangle.
midsegment
circumcenter
the segments joining the midpoints of two sides of a triangle is parallel to the third side, and its length is half the length of that side.
the centroid of a triangle is located 2/3 of the distance from each vertex to the midpoint of the opposite side.
incenter theorem
the angle bisectors of a triangle intersect at a point that is equidistant from the sides of the triangle.
the circumcenter of a triangle is equidistant from the vertices of the triangle.
the point of intersection of concurrent lines.
if a point is on the bisector of an angle, then it is equidistant from the sides of the angle.
three or more lines that intersect at the same point.
centroid
circumcenter theorem
center of the circle.
median
the intersection (or point of concurrency) of the lines that contain the altitudes.
the point of concurrency of the perpendicular bisectors of a triangle.
concurrent
a line segment that connects the midpoints of two sides of a triangle.
if a point in the interior of an angle is equidistant from the sides of the angle, then it is on the bisector of the angle.
point of concurrency
angle bisector theorem
the intersection of three medians of a triangle.
converse of the angle bisector theorem
an angle whose vertex is on a circle and whose sides contain chords of the circle.
circumscribed
incircle
a circle that contains all the vertices of a polygon on the circumfrence of the circle.