5.3 Concurrent Lines, , and Altitudes Flashcards
1
Q
concurrent
A
when 3 or more lines intersect in one point
2
Q
point of concurrency
A
the point at which they intersect
3
Q
circumcenter of the triangle
A
the point of concurrency of the perpendicular bisectors of a triangle
4
Q
circumscribed about
A
to write a circle around
5
Q
incenter of a triangle
A
the point of concurrency of the angle bisectors of a triangle
6
Q
inscribed in
A
to write a circle inside
7
Q
median of a triangle
A
a segment whose endpoints are a vertex and the midpoints of the opposite side
8
Q
centroid
A
the point of concurrency of the medians
9
Q
altitude of a triangle
A
the perpendicular segment from a vertex to the line containing the opposite side
10
Q
orthocenter of the triangle
A
are concurrent here
