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10 terms

Geometry Vocabulary

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Midsegment
A special segment of a triangle that connects the midpoints of two sides of the triangle; this segment is parallel to the side of the triangle that it does not intersect and is half of that sides length
concurrent
three or more lines that intersect at one point
Point of concurrency
The point where three or more lines intersect
circumcenter
the point of concurrency of the perpendicular bisectors of a triangles
incenter
the point of concurrency of the angle bisectors of a triangle
median
a segment where one of its endpoints is a vertex and the other is the midpoint of the opposite side
centroid
balance point, concurrency of the medians
altitude
the perpendicular segment from a vertex to the line containing the opposite side. can be inside or outside.
orthocenter
the point of concurrency of the altitudes of a triangle
angle bisector
A ray that divides an angle into two congruent angles.