Warm Up 10-6What conjecture can you make from the diagram below? Which theorem or postulate did you use?

; Angle Bisector Theorem

; Converse of the Angle Bisector Theorem

; Converse of the Perpendicular Bisector Theorem

; Perpendicular Bisector Theorem

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Test Friday HW: TEXAS Practice test Pg. 188 #1-5

Point of ConcurrencyThe point of concurrency is the point at which 3 or more lines intersect.

CircumcenterThe perpendicular bisectors meet

at a point of concurrency called the circumcenter.

IncenterThe angle bisectors meet at a point of concurrency called the incenter

Now we are going to construct

http://www.mathopenref.com/constincenter.html http://www.mathopenref.com/constcircumcenter.html