Math 1 March 9th Warm-up: Identify the segments illustrated below

1. 2.

3. 4.

WORD BANKAltitudeAngle BisectorMedianPerp. Seg. Bisector

Group ActivityYou have 15 minutes to finish

Points of Concurrency in a Trianglepage 4

If lines are CONCURRENT, then they intersect at the same point, which is called the POINT OF CONCURRENCY.

(add) CONCURRENT LINES are 3 or more lines that intersect at the same point

Point of Concurrency Diagram Concurrent Lines

Incenter

Circumcenter

Orthocenter

Centroid

Point of Concurrency Diagrams Concurrent Lines

Incenter 3 angle bisectors

Circumcenter3 perpendicular

bisectors(of the sides)

Orthocenter 3 altitudes

Centroid 3 mediansintersect