Warm Up 10-6
What conjecture can you make from the diagram below?
Which theorem or postulate did you use?

𝐴𝐶 ≅ 𝐵𝐶 ; Angle Bisector Theorem

∡𝐴𝐷𝐶 ≅ ∡𝐵𝐷𝐶; Converse of the Angle Bisector Theorem

𝐴𝐶 ≅ 𝐵𝐶 ; Converse of the Perpendicular Bisector Theorem

∡𝐴𝐷𝐶 ≅ ∡𝐵𝐷𝐶; Perpendicular Bisector Theorem
Announcements

Test Friday

HW: TEXAS Practice test Pg. 188 #1-5
Point of Concurrency
The
point of concurrency is the
point at which 3 or more lines
intersect.
Circumcenter
 The
perpendicular bisectors meet at a
point of concurrency called the
circumcenter.
Incenter
The
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