# CONCURRENT LINES - PowerPoint PPT Presentation

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CONCURRENT LINES. Three or more lines that intersect at a common point. POINT OF CONCURRENCY. The point at which 3 or more lines intersect. Point of concurrency. CIRCUMCENTER. Point of concurrency for the perpendicular bisectors of a triangle. circumcenter. Circumscribed circle.

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CONCURRENT LINES

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### The point at which 3 or more lines intersect

Point of concurrency

circumcenter

### Circumcenter Theorem

The circumcenter of a triangle is located equidistant from each vertex of the triangle.

BO=AO=CO

incenter

50

50

### Incenter Theorem

• The incenter of a triangle is equidistant from each side of the triangle.

AI = BI = CI

A

I

B

C

4

4

centroid

orthocenter