5.1-5.3: Stuff with Triangles Flashcards
1
Q
Segment connecting the midpoints of two sides.
A
Midsegment
2
Q
WE use these in coordinate geometry & algebra
A
Coordinate Proof
3
Q
Length of a perpendicular segment from point to line
A
Distance from point to line
4
Q
When 3 or more lines intersect in one point
A
Concurrent
5
Q
The point at which three lines intersect
A
Point of concurrency
6
Q
The point of concurrency of the perpendicular bisector*
A
Circumcenter*
7
Q
The point of concurrency of the angle bisectors*
A
Incenter*
8
Q
Segment whose endpoints are a vertex to the midpoint of the opposite side.
A
Median*
9
Q
*, the point of concurrency of a median (center of gravity)
A
Centroid
10
Q
Perpendicular segment from a vertex to a line containing an opposite side
A
Altitude*
11
Q
The lines containing the altitudes of a triangle are concurrent.
A
Orthocenter*
