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Vocabulary flashcards covering special lines and points of concurrency in a triangle.
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Median
A line that joins the midpoint of a side to the opposite vertex.
Centroid
The point of intersection of the three medians.
Altitude
A line perpendicular to a side that passes through the opposite vertex.
Orthocenter
The point of intersection of the three altitudes.
Perpendicular bisector
A line perpendicular to a side that passes through the midpoint of that side.
Circumcenter
The point of intersection of the three perpendicular bisectors.